H01F1/00	7	Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties<br><br><u>NOTE</u><br><br>Attention is drawn to Note (3) after the title of section C, which Note indicates to which version of the Periodic Table of chemical elements the CPC refers. In this group, the system used is the 8 group system indicated by Roman numerals in the Periodic Table thereunder.<br>Group H01F1/0036 takes precedence over groups H01F1/09, H01F1/11, H01F1/20, H01F1/33 and H01F1/36.	H01F1/00	H01F1/00		524
H01F1/0009	8	{Antiferromagnetic materials, i.e. materials exhibiting a N&#233;el transition temperature (H01F1/0036 takes precedence)}	H01F1/00	H01F1/00		142
H01F1/0018	8	{Diamagnetic or paramagnetic materials, i.e. materials with low susceptibility and no hysteresis (H01F1/0036 takes precedence)}	H01F1/00	H01F1/00		191
H01F1/0027	8	{Thick magnetic films (forming thick magnetic films H01F41/16)}	H01F1/00	H01F1/00		182
H01F1/0036	8	{showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity, (H01F1/153, H01F1/42 and H01F10/00 take precedence; magnetoresistive sensors G01D5/16, G01R33/06; magnetoresistive recording G11B5/39; magnetic-field-controlled resistors H10N50/10)}	H01F1/00	H01F1/00		70
H01F1/0045	9	{Zero dimensional, e.g. nanoparticles, soft nanoparticles for medical/biological use (preparation of fullerenes in general C01B32/15)}	H01F1/00	H01F1/00		275
H01F1/0054	10	{Coated nanoparticles, e.g. nanoparticles coated with organic surfactant}	H01F1/00	H01F1/00		737
H01F1/0063	10	{in a non-magnetic matrix, e.g. granular solids (granular films H01F10/007)}	H01F1/00	H01F1/00		420
H01F1/0072	9	{one dimensional, i.e. linear or dendritic nanostructures}	H01F1/00	H01F1/00		103
H01F1/0081	10	{in a non-magnetic matrix, e.g. Fe-nanowires in a nanoporous membrane}	H01F1/00	H01F1/00		62
H01F1/009	9	{bidimensional, e.g. nanoscale period nanomagnet arrays (H01F10/007 takes precedence)}	H01F1/00	H01F1/00		110
H01F1/01	8	of inorganic materials (H01F1/44 takes precedence)	H01F1/01	H01F1/01		648
H01F1/012	9	{adapted for magnetic entropy change by magnetocaloric effect, e.g. used as magnetic refrigerating material (refrigeration systems using magnetic effects F25B21/00)}	H01F1/01	H01F1/01		137
H01F1/015	10	{Metals or alloys}	H01F1/01	H01F1/01		413
H01F1/017	10	{Compounds}	H01F1/01	H01F1/01		141
H01F1/03	9	characterised by their coercivity {(H01F1/40 takes precedence)}	H01F1/03	H01F1/03		60
H01F1/0302	10	{characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions}	H01F1/03	H01F1/03		56
H01F1/0304	11	{adapted for large Barkhausen jumps or domain wall rotations, e.g. WIEGAND or MATTEUCCI effect (H01F1/143 and H01F1/15391 take precedence)}	H01F1/03	H01F1/03		84
H01F1/0306	11	{Metals or alloys, e.g. LAVES phase alloys of the MgCu2-type (H01F1/0304 takes precedence)}	H01F1/03	H01F1/03		335
H01F1/0308	12	{with magnetic shape memory [MSM], i.e. with lattice transformations driven by a magnetic field, e.g. Heusler alloys}	H01F1/03	H01F1/03		47
H01F1/0311	11	{Compounds (H01F1/0304 takes precedence)}	H01F1/03	H01F1/03		72
H01F1/0313	12	{Oxidic compounds}	H01F1/03	H01F1/03		164
H01F1/0315	13	{Ferrites}	H01F1/03	H01F1/03		598
H01F1/0317	13	{Manganites}	H01F1/03	H01F1/03		33
H01F1/032	10	of hard-magnetic materials	H01F1/032	H01F1/032		91
H01F1/04	11	metals or alloys	H01F1/04	H01F1/04		509
H01F1/047	12	Alloys characterised by their composition<br><br><u>NOTE</u><br><br> In groups H01F1/053&#160;-&#160;H01F1/059, an alloy is classified in the last appropriate place .	H01F1/047	H01F1/047		347
H01F1/053	13	containing rare earth metals	H01F1/053	H01F1/053		440
H01F1/0533	14	{in a bonding agent}	H01F1/053	H01F1/053		86
H01F1/0536	14	{sintered}	H01F1/053	H01F1/053		241
H01F1/055	14	and magnetic transition metals, e.g. SmCo5	H01F1/055	H01F1/055		471
H01F1/0551	15	{in the form of particles, e.g. rapid quenched powders or ribbon flakes}	H01F1/055	H01F1/055		264
H01F1/0552	16	{with a protective layer}	H01F1/055	H01F1/055		123
H01F1/0553	15	{obtained by reduction or by hydrogen decrepitation or embrittlement}	H01F1/055	H01F1/055		126
H01F1/0555	15	{pressed, sintered or bonded together}	H01F1/055	H01F1/055		43
H01F1/0556	16	{pressed}	H01F1/055	H01F1/055		175
H01F1/0557	16	{sintered}	H01F1/055	H01F1/055		716
H01F1/0558	16	{bonded together}	H01F1/055	H01F1/055		356
H01F1/057	15	and IIIa elements, e.g. Nd2Fe14B	H01F1/057	H01F1/057		1426
H01F1/0571	16	{in the form of particles, e.g. rapid quenched powders or ribbon flakes}	H01F1/057	H01F1/057		787
H01F1/0572	17	{with a protective layer}	H01F1/057	H01F1/057		387
H01F1/0573	17	{obtained by reduction or by hydrogen decrepitation or embrittlement}	H01F1/057	H01F1/057		680
H01F1/0574	17	{obtained by liquid dynamic compaction}	H01F1/057	H01F1/057		59
H01F1/0575	17	{pressed, sintered or bonded together}	H01F1/057	H01F1/057		173
H01F1/0576	18	{pressed, e.g. hot working}	H01F1/057	H01F1/057		1240
H01F1/0577	18	{sintered}	H01F1/057	H01F1/057		3281
H01F1/0578	18	{bonded together}	H01F1/057	H01F1/057		794
H01F1/0579	16	{with exchange spin coupling between hard and soft nanophases, e.g. nanocomposite spring magnets}	H01F1/057	H01F1/057		223
H01F1/058	15	and IVa elements, e.g. Gd2Fe14C	H01F1/058	H01F1/058		284
H01F1/059	15	and Va elements, e.g. Sm2Fe17N2	H01F1/059	H01F1/059		712
H01F1/0593	16	{of tetragonal ThMn12-structure}	H01F1/059	H01F1/059		75
H01F1/0596	16	{of rhombic or rhombohedral Th2Zn17 structure or hexagonal Th2Ni17 structure}	H01F1/059	H01F1/059		167
H01F1/06	12	in the form of particles, e.g. powder (H01F1/047 takes precedence {; record carriers G11B5/70605})	H01F1/06	H01F1/06		498
H01F1/061	13	{with a protective layer}	H01F1/06	H01F1/06		318
H01F1/063	13	{with a non magnetic core}	H01F1/06	H01F1/06		39
H01F1/065	13	{obtained by a reduction}	H01F1/06	H01F1/06		263
H01F1/066	13	{obtained by liquid dynamic compaction}	H01F1/06	H01F1/06		24
H01F1/068	13	{having a L10 crystallographic structure, e.g. [Co,Fe][Pt,Pd] (nano)particles}	H01F1/06	H01F1/06		83
H01F1/08	13	pressed, sintered, or bound together	H01F1/08	H01F1/08		308
H01F1/083	14	{in a bonding agent}	H01F1/08	H01F1/08		668
H01F1/086	14	{sintered}	H01F1/08	H01F1/08		381
H01F1/09	11	mixtures of metallic and non-metallic particles; metallic particles having oxide skin	H01F1/09	H01F1/09		214
H01F1/10	11	non-metallic substances, e.g. ferrites {, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure}	H01F1/10	H01F1/10		474
H01F1/11	12	in the form of particles {(for magnetic record carriers G11B5/70626)}	H01F1/11	H01F1/11		793
H01F1/111	13	{with a non-magnetic core}	H01F1/11	H01F1/11		37
H01F1/112	13	{with a skin (H01F1/113 takes precedence)}	H01F1/11	H01F1/11		124
H01F1/113	13	in a bonding agent	H01F1/113	H01F1/113		523
H01F1/117	14	Flexible bodies	H01F1/117	H01F1/117		167
H01F1/12	10	of soft-magnetic materials	H01F1/12	H01F1/12		234
H01F1/14	11	metals or alloys	H01F1/14	H01F1/14		408
H01F1/143	12	{in the form of wires (H01F1/147 takes precedence)}	H01F1/14	H01F1/14		75
H01F1/147	12	Alloys characterised by their composition {(treatment thereof for enhancing their electromagnetic properties C21D8/12)}<br><br><u>NOTE</u><br><br>In groups H01F1/14708&#160;-&#160;H01F1/15391, an alloy is classified in the last appropriate place .	H01F1/147	H01F1/147		1750
H01F1/14708	13	{Fe-Ni based alloys (pure Fe or Ni H01F1/14, H01F1/16 or H01F1/20)}	H01F1/147	H01F1/147		289
H01F1/14716	14	{in the form of sheets}	H01F1/147	H01F1/147		136
H01F1/14725	15	{with insulating coating}	H01F1/147	H01F1/147		36
H01F1/14733	14	{in the form of particles}	H01F1/147	H01F1/147		157
H01F1/14741	15	{pressed, sintered or bonded together}	H01F1/147	H01F1/147		129
H01F1/1475	16	{the particles being insulated}	H01F1/147	H01F1/147		123
H01F1/14758	17	{by macromolecular organic substances}	H01F1/147	H01F1/147		91
H01F1/14766	13	{Fe-Si based alloys}	H01F1/147	H01F1/147		776
H01F1/14775	14	{in the form of sheets}	H01F1/147	H01F1/147		783
H01F1/14783	15	{with insulating coating}	H01F1/147	H01F1/147		590
H01F1/14791	14	{Fe-Si-Al based alloys, e.g. Sendust}	H01F1/147	H01F1/147		723
H01F1/153	13	Amorphous metallic alloys, e.g. glassy metals {(making ferrous amorphous alloys C22C33/003)}	H01F1/153	H01F1/153		459
H01F1/15308	14	{based on Fe/Ni (H01F1/15325 takes precedence)}	H01F1/153	H01F1/153		1129
H01F1/15316	14	{based on Co (H01F1/15325 takes precedence)}	H01F1/153	H01F1/153		288
H01F1/15325	14	{containing rare earths}	H01F1/153	H01F1/153		132
H01F1/15333	14	{containing nanocrystallites, e.g. obtained by annealing}	H01F1/153	H01F1/153		758
H01F1/15341	14	{Preparation processes therefor}	H01F1/153	H01F1/153		589
H01F1/1535	15	{by powder metallurgy, e.g. spark erosion}	H01F1/153	H01F1/153		156
H01F1/15358	14	{Making agglomerates therefrom, e.g. by pressing}	H01F1/153	H01F1/153		109
H01F1/15366	15	{using a binder}	H01F1/153	H01F1/153		102
H01F1/15375	16	{using polymers}	H01F1/153	H01F1/153		167
H01F1/15383	14	{Applying coatings thereon (H01F1/15366 takes precedence)}	H01F1/153	H01F1/153		222
H01F1/15391	14	{Elongated structures, e.g. wires}	H01F1/153	H01F1/153		101
H01F1/16	12	in the form of sheets (H01F1/147 takes precedence)	H01F1/16	H01F1/16		1038
H01F1/18	13	with insulating coating	H01F1/18	H01F1/18		623
H01F1/20	12	in the form of particles, e.g. powder (H01F1/147 takes precedence)	H01F1/20	H01F1/20		701
H01F1/22	13	pressed, sintered, or bound together	H01F1/22	H01F1/22		479
H01F1/24	14	the particles being insulated	H01F1/24	H01F1/24		1232
H01F1/26	15	by macromolecular organic substances	H01F1/26	H01F1/26		1270
H01F1/28	13	dispersed or suspended in a bonding agent	H01F1/28	H01F1/28		315
H01F1/33	11	mixtures of metallic and non-metallic particles; metallic particles having oxide skin	H01F1/33	H01F1/33		621
H01F1/34	11	non-metallic substances, e.g. ferrites	H01F1/34	H01F1/34		450
H01F1/342	12	{Oxides (H01F1/36 and H01F1/38 take precedence)}	H01F1/34	H01F1/34		125
H01F1/344	13	{Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4}	H01F1/34	H01F1/34		1722
H01F1/346	14	{[(TO4)  3] with T= Si, Al, Fe, Ga (H01F10/24 takes precedence; Faraday rotators G02F1/09)}	H01F1/34	H01F1/34		136
H01F1/348	14	{Hexaferrites with decreased hardness or anisotropy, i.e. with increased permeability in the microwave (GHz) range, e.g. having a hexagonal crystallographic structure}	H01F1/34	H01F1/34		150
H01F1/36	12	in the form of particles {(H01F1/346, H01F1/348 and H01F1/38 take precedence)}	H01F1/36	H01F1/36		666
H01F1/37	13	in a bonding agent	H01F1/37	H01F1/37		600
H01F1/375	14	Flexible bodies	H01F1/375	H01F1/375		82
H01F1/38	12	amorphous, e.g. amorphous oxides	H01F1/38	H01F1/38		40
H01F1/40	9	of magnetic semiconductor materials, e.g. CdCr2S4(devices using galvano-magnetic or similar effects H10N50/00)	H01F1/40	H01F1/40		100
H01F1/401	10	{diluted}<br><br><u>NOTE</u><br><br>In group H01F1/401, a diluted magnetic semiconductor (DMS) is classified in the last appropriate place. 	H01F1/40	H01F1/40		72
H01F1/402	11	{of II-VI type, e.g. Zn1-x Crx Se}	H01F1/40	H01F1/40		30
H01F1/404	11	{of III-V type, e.g. In1-x Mnx As}	H01F1/40	H01F1/40		42
H01F1/405	11	{of IV type, e.g. Ge1-xMnx}	H01F1/40	H01F1/40		52
H01F1/407	11	{Diluted non-magnetic ions in a magnetic cation-sublattice, e.g. perovskites, La1-x(Ba,Sr)xMnO3}	H01F1/40	H01F1/40		63
H01F1/408	10	{half-metallic, i.e. having only one electronic spin direction at the Fermi level, e.g. CrO2, Heusler alloys (H01F10/1936 takes precedence)}	H01F1/40	H01F1/40		40
H01F1/42	8	of organic or organo-metallic materials {, e.g. graphene}(H01F1/44 takes precedence)	H01F1/42	H01F1/42		809
H01F1/44	8	of magnetic liquids, e.g. ferrofluids (particles in a bonding agent H01F1/28, H01F1/36, {H01F1/37})	H01F1/44	H01F1/44		592
H01F1/442	9	{the magnetic component being a metal or alloy, e.g. Fe (H01F1/447 takes precedence)}	H01F1/44	H01F1/44		241
H01F1/445	9	{the magnetic component being a compound, e.g. Fe3O4(H01F1/447 takes precedence)}	H01F1/44	H01F1/44		407
H01F1/447	9	{characterised by magnetoviscosity, e.g. magnetorheological, magnetothixotropic, magnetodilatant liquids (electrorheological fluids C10M171/001)}	H01F1/44	H01F1/44		492
H01F3/00	7	Cores, Yokes, or armatures (magnetic materials H01F1/00; permanent magnets H01F7/02)	H01F3/00	H01F3/00		505
H01F2003/005	8	{Magnetic cores for receiving several windings with perpendicular axes, e.g. for antennae or inductive power transfer}	H01F3/00	H01F3/00		126
H01F3/02	8	made from sheets	H01F3/02	H01F3/02		873
H01F3/04	8	made from strips or ribbons	H01F3/04	H01F3/04		395
H01F3/06	8	made from wires	H01F3/06	H01F3/06		124
H01F3/08	8	made from powder (powder coatings on sheets H01F3/02; on strips or ribbons H01F3/04; on wires H01F3/06)	H01F3/08	H01F3/08		1122
H01F3/10	8	Composite arrangements of magnetic circuits	H01F3/10	H01F3/10		1401
H01F2003/103	9	{Magnetic circuits with permanent magnets}	H01F3/10	H01F3/10		193
H01F2003/106	9	{Magnetic circuits using combinations of different magnetic materials}	H01F3/10	H01F3/10		606
H01F3/12	9	Magnetic shunt paths	H01F3/12	H01F3/12		239
H01F3/14	9	Constrictions; Gaps, e.g. air-gaps (in magnetic shunt paths H01F3/12)	H01F3/14	H01F3/14		1867
H01F5/00	7	Coils (superconducting coils H01F6/06; fixed inductances of the signal type H01F17/00)	H01F5/00	H01F5/00		1888
H01F5/003	8	{Printed circuit coils}	H01F5/00	H01F5/00		978
H01F2005/006	8	{with conical spiral form}	H01F5/00	H01F5/00		160
H01F5/02	8	wound on non-magnetic supports, e.g. formers	H01F5/02	H01F5/02		1916
H01F2005/022	9	{wound on formers with several winding chambers separated by flanges, e.g. for high voltage applications}	H01F5/02	H01F5/02		360
H01F2005/025	9	{wound on coaxial arrangement of two or more formers}	H01F5/02	H01F5/02		130
H01F2005/027	9	{wound on formers for receiving several coils with perpendicular winding axes, e.g. for antennae or inductive power transfer}	H01F5/02	H01F5/02		172
H01F5/04	8	Arrangements of electric connections to coils, e.g. leads	H01F5/04	H01F5/04		2178
H01F2005/043	9	{having multiple pin terminals, e.g. arranged in two parallel lines at both sides of the coil}	H01F5/04	H01F5/04		305
H01F2005/046	9	{Details of formers and pin terminals related to mounting on printed circuits}	H01F5/04	H01F5/04		414
H01F5/06	8	Insulation of windings	H01F5/06	H01F5/06		1084
H01F6/00	7	Superconducting magnets; Superconducting coils {(magnetic resonance assemblies using superconducting coil systems G01R33/3815)}	H01F6/00	H01F6/00		1075
H01F2006/001	8	{Constructive details of inductive current limiters}	H01F6/00	H01F6/00		201
H01F6/003	8	{Methods and means for discharging superconductive storage (superconducting alloys C22C; static memories with superconducting elements G11C11/44; superconducting circuit breakers with contacts H01H33/004; superconducting switches for low power H03K17/92; superconducting material H10N60/00; power cryotons H10N60/355)}	H01F6/00	H01F6/00		84
H01F6/005	8	{Methods and means for increasing the stored energy in superconductive coils by increments (flux pumps)}	H01F6/00	H01F6/00		112
H01F6/006	8	{Supplying energising or de-energising current; Flux pumps}	H01F6/00	H01F6/00		238
H01F6/008	9	{Electric circuit arrangements for energising superconductive electromagnets}	H01F6/00	H01F6/00		175
H01F6/02	8	Quenching; Protection arrangements during quenching {(protection circuits H02H7/001)}	H01F6/02	H01F6/02		464
H01F6/04	8	Cooling	H01F6/04	H01F6/04		1719
H01F6/06	8	Coils, e.g. winding, insulating, terminating or casing arrangements therefor	H01F6/06	H01F6/06		2687
H01F6/065	9	{Feed-through bushings, terminals and joints (leading of conductors or axles through casings of transformers H01F27/04)}	H01F6/06	H01F6/06		525
H01F7/00	7	Magnets (superconducting magnets H01F6/00; for separation of solid materials or fluids B03C1/00; for bench or like work-holders B23B31/28, B23Q3/00; work-holding devices B25B11/00; lifting magnets B66C1/00; {operating or controlling locks using permanent magnets E05B47/0038; devices for holding a wing, e.g. door or window, by magnetic or electromagnetic attraction E05C19/16; relieving load or bearings using magnetic means F16C39/06} ; for electric meters G01R; for relays H01H; {for electric discharge tubes H01J, e.g. H01J3/24, H01J23/10, H01J29/68} ; for dynamo-electric machines H02K)	H01F7/00	H01F7/00		707
H01F7/02	8	Permanent magnets {[PM]}	H01F7/02	H01F7/02		2254
H01F7/0205	9	{Magnetic circuits with PM in general}	H01F7/02	H01F7/02		454
H01F7/021	10	{Construction of PM (H01F7/0278 takes precedence; PM compositions H01F1/032)}	H01F7/02	H01F7/02		1002
H01F7/0215	11	{Flexible forms, sheets}	H01F7/02	H01F7/02		360
H01F7/0221	10	{Mounting means for PM, supporting, coating, encapsulating PM}	H01F7/02	H01F7/02		719
H01F7/0226	10	{PM with variable field strength (H01F7/0284 takes precedence)}	H01F7/02	H01F7/02		165
H01F7/0231	9	{Magnetic circuits with PM for power or force generation}	H01F7/02	H01F7/02		253
H01F7/0236	10	{Magnetic suspension or levitation (for vehicles B60L13/04; magnetic bearings F16C39/063)}	H01F7/02	H01F7/02		254
H01F7/0242	10	{Magnetic drives, magnetic coupling devices}	H01F7/02	H01F7/02		412
H01F7/0247	10	{Orientating, locating, transporting arrangements}	H01F7/02	H01F7/02		272
H01F7/0252	10	{PM holding devices (H01F7/021, H01F7/0215, H01F7/0226 take precedence)}	H01F7/02	H01F7/02		1059
H01F7/0257	11	{Lifting, pick-up magnetic objects}	H01F7/02	H01F7/02		269
H01F7/0263	11	{Closures, bags, bands, engagement devices with male and female parts}	H01F7/02	H01F7/02		490
H01F7/0268	11	{Magnetic cylinders}	H01F7/02	H01F7/02		113
H01F7/0273	9	{Magnetic circuits with PM for magnetic field generation}	H01F7/02	H01F7/02		437
H01F7/0278	10	{for generating uniform fields, focusing, deflecting electrically charged particles (for magnetic separation by Lorentz force B03C1/023; specially adapted for NMR applications G01R33/383)}	H01F7/02	H01F7/02		712
H01F7/0284	11	{using a trimmable or adjustable magnetic circuit, e.g. for a symmetric dipole or quadrupole magnetic field}	H01F7/02	H01F7/02		134
H01F7/0289	10	{Transducers, loudspeakers, moving coil arrangements}	H01F7/02	H01F7/02		175
H01F7/0294	10	{Detection, inspection, magnetic treatment}	H01F7/02	H01F7/02		247
H01F7/04	9	Means for releasing the attractive force	H01F7/04	H01F7/04		451
H01F7/06	8	Electromagnets; Actuators including electromagnets {(electric coils H01F5/00; devices for holding workpieces using electric force B23Q3/15; load-engaging elements for lifting articles electromagnetically B66C1/06; electromagnetic couplings F16D27/00; magnetic brakes F16D63/002; electromagnetically operated valves F16K11/24, F16K31/00; analysing materials by magnetic means G01N27/72, G01N27/80; electromagnets for winding mechanical clocks G04C1/02; electromagnetic relays H01H51/00; windings for salient poles of dynamo-electric machines H02K3/18; electromagnets for telegraphic communication H04L; for arc lamps H05B31/28)}	H01F7/06	H01F7/06		2015
H01F2007/062	9	{Details of terminals or connectors for electromagnets}	H01F7/06	H01F7/06		425
H01F7/064	9	{Circuit arrangements for actuating electromagnets (circuit arrangements for obtaining special operating characteristics H01F7/18; driving circuits for electromagnets making use of a switching regulator H01H47/325)}	H01F7/06	H01F7/06		897
H01F7/066	9	{Electromagnets with movable winding}	H01F7/06	H01F7/06		373
H01F2007/068	9	{using printed circuit coils}	H01F7/06	H01F7/06		127
H01F7/08	9	with armatures	H01F7/08	H01F7/08		984
H01F7/081	10	{Magnetic constructions}	H01F7/08	H01F7/08		1911
H01F2007/083	11	{External yoke surrounding the coil bobbin, e.g. made of bent magnetic sheet}	H01F7/08	H01F7/08		200
H01F2007/085	11	{Yoke or polar piece between coil bobbin and armature having a gap, e.g. filled with nonmagnetic material}	H01F7/08	H01F7/08		317
H01F2007/086	11	{Structural details of the armature}	H01F7/08	H01F7/08		541
H01F7/088	10	{provided with means for absorbing shocks}	H01F7/08	H01F7/08		437
H01F7/10	10	specially adapted for alternating current	H01F7/10	H01F7/10		130
H01F7/11	11	reducing or eliminating the effects of eddy currents	H01F7/11	H01F7/11		24
H01F7/12	11	having anti-chattering arrangements	H01F7/12	H01F7/12		134
H01F7/1205	12	{having short-circuited conductors (electromagnetic relays provided with short-circuited conducting sleeves H01H47/00)}	H01F7/12	H01F7/12		231
H01F7/121	10	Guiding or setting position of armatures, e.g. retaining armatures in their end position	H01F7/121	H01F7/121		295
H01F7/122	11	by permanent magnets {(H01F7/1615, H01F7/1646 take precedence)}	H01F7/122	H01F7/122		957
H01F7/123	11	by ancillary coil	H01F7/123	H01F7/123		109
H01F7/124	11	by mechanical latch, e.g. detent	H01F7/124	H01F7/124		220
H01F7/126	10	Supporting or mounting	H01F7/126	H01F7/126		291
H01F7/127	10	Assembling	H01F7/127	H01F7/127		440
H01F7/128	10	Encapsulating, encasing or sealing	H01F7/128	H01F7/128		339
H01F7/129	11	of armatures	H01F7/129	H01F7/129		60
H01F7/13	10	characterised by pulling-force characteristics	H01F7/13	H01F7/13		712
H01F7/14	10	Pivoting armatures (H01F7/17 takes precedence)	H01F7/14	H01F7/14		996
H01F7/145	11	{Rotary electromagnets with variable gap (with fixed gap or torque motors H02K26/00)}	H01F7/14	H01F7/14		429
H01F7/16	10	Rectilinearly-movable armatures (H01F7/17 takes precedence)	H01F7/16	H01F7/16		1373
H01F7/1607	11	{Armatures entering the winding}	H01F7/16	H01F7/16		2726
H01F7/1615	12	{Armatures or stationary parts of magnetic circuit having permanent magnet}	H01F7/16	H01F7/16		1044
H01F7/1623	12	{Armatures having T-form}	H01F7/16	H01F7/16		162
H01F2007/163	12	{with axial bearing}	H01F7/16	H01F7/16		182
H01F7/1638	11	{Armatures not entering the winding}	H01F7/16	H01F7/16		842
H01F7/1646	12	{Armatures or stationary parts of magnetic circuit having permanent magnet}	H01F7/16	H01F7/16		581
H01F7/1653	11	{Magnetic circuit having axially spaced pole-pieces}	H01F7/16	H01F7/16		76
H01F2007/1661	11	{Electromagnets or actuators with anti-stick disc}	H01F7/16	H01F7/16		97
H01F2007/1669	11	{Armatures actuated by current pulse, e.g. bistable actuators}	H01F7/16	H01F7/16		164
H01F2007/1676	11	{Means for avoiding or reducing eddy currents in the magnetic circuit, e.g. radial slots}	H01F7/16	H01F7/16		116
H01F2007/1684	11	{Armature position measurement using coils}	H01F7/16	H01F7/16		138
H01F2007/1692	11	{Electromagnets or actuators with two coils}	H01F7/16	H01F7/16		473
H01F7/17	10	Pivoting and rectilinearly-movable armatures	H01F7/17	H01F7/17		93
H01F7/18	10	Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings	H01F7/18	H01F7/18		905
H01F7/1805	11	{Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current (for holding relay armature in attracted position with reduced energising current H01H47/04; quick energising of electro-dynamic machines H02P9/08; for quickly de-energising of dynamo-electric generators H02P9/123)}	H01F7/18	H01F7/18		398
H01F7/1811	12	{demagnetising upon switching off, removing residual magnetism}	H01F7/18	H01F7/18		177
H01F7/1816	12	{making use of an energy accumulator (for relays H01H47/043)}	H01F7/18	H01F7/18		193
H01F2007/1822	13	{using a capacitor to produce a boost voltage}	H01F7/18	H01F7/18		61
H01F7/1827	12	{by changing number of serially-connected turns or windings (for relays H01H47/06)}	H01F7/18	H01F7/18		49
H01F7/1833	12	{by changing number of parallel-connected turns or windings (for relays H01H47/08)}	H01F7/18	H01F7/18		51
H01F7/1838	12	{by switching-in or -out impedance (for relays H01H47/10)}	H01F7/18	H01F7/18		66
H01F7/1844	11	{Monitoring or fail-safe circuits (for relays H01H47/002)}	H01F7/18	H01F7/18		1021
H01F2007/185	12	{with armature position measurement}	H01F7/18	H01F7/18		281
H01F2007/1855	12	{using a stored table to deduce one variable from another}	H01F7/18	H01F7/18		88
H01F2007/1861	12	{using derivative of measured variable}	H01F7/18	H01F7/18		125
H01F2007/1866	12	{with regulation loop}	H01F7/18	H01F7/18		121
H01F7/1872	11	{Bistable or bidirectional current devices (relays H01H47/226)}	H01F7/18	H01F7/18		98
H01F7/1877	11	{controlling a plurality of loads}	H01F7/18	H01F7/18		149
H01F7/1883	11	{by steepening leading and trailing edges of magnetisation pulse, e.g. printer drivers}	H01F7/18	H01F7/18		50
H01F2007/1888	11	{using pulse width modulation}	H01F7/18	H01F7/18		238
H01F2007/1894	11	{minimizing impact energy on closure of magnetic circuit}	H01F7/18	H01F7/18		114
H01F7/20	9	without armatures (cores H01F3/00; coils H01F5/00{; shaping metal by applying magnetic forces B21D26/14; electromagnets specially adapted for NMR applications G01R33/381})	H01F7/20	H01F7/20		1182
H01F7/202	10	{Electromagnets for high magnetic field strength (for superconducting electromagnets H01F6/00; for transformers or inductances without a magnetic core H01F30/08)}	H01F7/20	H01F7/20		588
H01F7/204	11	{Circuits for energising or de-energising}	H01F7/20	H01F7/20		79
H01F7/206	10	{Electromagnets for lifting, handling or transporting of magnetic pieces or material (electromagnets for guidance of vehicles, workpieces B65G21/2009; for magnetic suspension or levitation H02N15/00)}	H01F7/20	H01F7/20		699
H01F2007/208	11	{combined with permanent magnets}	H01F7/20	H01F7/20		197
H01F10/00	7	Thin magnetic films, e.g. of one-domain structure (magnetic record carriers G11B5/00; thin-film magnetic stores G11C)	H01F10/00	H01F10/00		209
H01F10/002	8	{Antiferromagnetic thin films, i.e. films exhibiting a N&#233;el transition temperature (H01F10/3218 and H01F10/3268 take precedence)}	H01F10/00	H01F10/00		49
H01F10/005	8	{organic or organo-metallic films, e.g. monomolecular films obtained by Langmuir-Blodgett technique, graphene}	H01F10/00	H01F10/00		60
H01F10/007	8	{ultrathin or granular films (H01F10/005 and H01F10/3227 take precedence; applying ultrathin or granular layers to substrates H01F41/301)}	H01F10/00	H01F10/00		183
H01F10/06	8	characterised by the coupling or physical contact with connecting or interacting conductors	H01F10/06	H01F10/06		315
H01F10/08	8	characterised by magnetic layers ({H01F10/32 takes precedence } ; applying thin magnetic films to substrates H01F41/14)	H01F10/08	H01F10/08		169
H01F10/10	9	characterised by the composition	H01F10/10	H01F10/10		158
H01F10/12	10	being metals or alloys (intermetallic compounds H01F10/18)	H01F10/12	H01F10/12		153
H01F10/123	11	{having a L10 crystallographic structure, e.g. [Co,Fe][Pt,Pd] thin films}	H01F10/12	H01F10/12		221
H01F10/126	11	{containing rare earth metals (H01F10/133 takes precedence)}	H01F10/12	H01F10/12		135
H01F10/13	11	Amorphous metallic alloys, e.g. glassy metals {(H01F10/3204 takes precedence)}<br><br><u>NOTE</u><br><br>In this group, amorphous metallic alloys are classified in the last appropriate place	H01F10/13	H01F10/13		77
H01F10/131	12	{containing iron or nickel}	H01F10/13	H01F10/13		125
H01F10/132	12	{containing cobalt}	H01F10/13	H01F10/13		115
H01F10/133	12	{containing rare earth metals}	H01F10/13	H01F10/13		14
H01F10/135	13	{containing transition metals}	H01F10/13	H01F10/13		28
H01F10/136	14	{containing iron}	H01F10/13	H01F10/13		31
H01F10/137	14	{containing cobalt}	H01F10/13	H01F10/13		31
H01F10/138	12	{containing nanocrystallites, e.g. obtained by annealing}	H01F10/13	H01F10/13		38
H01F10/14	11	containing iron or nickel ({H01F10/126} , H01F10/13, H01F10/16 take precedence)<br><br><u>NOTE</u><br><br>In this group, alloys containing iron or nickel are classified in the last appropriate place.	H01F10/14	H01F10/14		363
H01F10/142	12	{containing Si}	H01F10/14	H01F10/14		18
H01F10/145	13	{containing Al, e.g. SENDUST}	H01F10/14	H01F10/14		49
H01F10/147	12	{with lattice under strain, e.g. expanded by interstitial nitrogen (H01F10/26&#160;-&#160;H01F10/30 take precedence)}	H01F10/14	H01F10/14		92
H01F10/16	11	containing cobalt ({H01F10/126} , H01F10/13 take precedence)	H01F10/16	H01F10/16		345
H01F10/18	10	being compounds	H01F10/18	H01F10/18		94
H01F10/187	11	Amorphous compounds {(H01F10/3204 takes precedence)}	H01F10/187	H01F10/187		38
H01F10/193	11	Magnetic semiconductor compounds {(in general H01F1/40; multilayers, e.g. superlattices H01F10/3213)}	H01F10/193	H01F10/193		81
H01F10/1933	12	{Perovskites}	H01F10/193	H01F10/193		47
H01F10/1936	12	{Half-metallic, e.g. epitaxial CrO2 or NiMnSb films}	H01F10/193	H01F10/193		173
H01F10/20	11	Ferrites	H01F10/20	H01F10/20		218
H01F10/205	12	{Hexagonal ferrites}	H01F10/20	H01F10/20		38
H01F10/22	12	Orthoferrites {, e.g. RFeO3 (R= rare earth element) with orthorhombic structure}	H01F10/22	H01F10/22		28
H01F10/24	12	Garnets {(in general H01F1/346; multilayers, e.g. superlattices H01F10/3209; applying magnetic garnet films to substrates by sputtering H01F41/186)}	H01F10/24	H01F10/24		183
H01F10/245	13	{Modifications for enhancing interaction with electromagnetic wave energy}	H01F10/24	H01F10/24		144
H01F10/26	8	characterised by the substrate or intermediate layers {(H01F10/06 and H01F10/32 take precedence)}	H01F10/26	H01F10/26		75
H01F10/265	9	{Magnetic multilayers non exchange-coupled (H01F10/32 takes precedence)}	H01F10/26	H01F10/26		190
H01F10/28	9	characterised by the composition of the substrate	H01F10/28	H01F10/28		144
H01F10/30	9	characterised by the composition of the intermediate layers {, e.g. seed, buffer, template, diffusion preventing, cap layers (H01F10/06 and H01F10/32 take precedence)}	H01F10/30	H01F10/30		359
H01F10/32	8	Spin-exchange-coupled multilayers, e.g. nanostructured superlattices {(applying spin-exchange-coupled multilayers to substrates H01F41/302)}	H01F10/32	H01F10/32		300
H01F10/3204	9	{Exchange coupling of amorphous multilayers}	H01F10/32	H01F10/32		94
H01F10/3209	9	{Exchange coupling of garnet multilayers}	H01F10/32	H01F10/32		25
H01F10/3213	9	{Exchange coupling of magnetic semiconductor multilayers, e.g. MnSe/ZnSe superlattices}	H01F10/32	H01F10/32		56
H01F10/3218	9	{Exchange coupling of magnetic films via an antiferromagnetic interface (H01F10/3268 takes precedence)}	H01F10/32	H01F10/32		157
H01F10/3222	9	{Exchange coupled hard/soft multilayers, e.g. CoPt/Co or NiFe/CoSm (nanocomposite spring magnets H01F1/0579)}	H01F10/32	H01F10/32		41
H01F10/3227	9	{Exchange coupling via one or more magnetisable ultrathin or granular films}	H01F10/32	H01F10/32		57
H01F10/3231	10	{via a non-magnetic spacer}	H01F10/32	H01F10/32		43
H01F10/3236	11	{made of a noble metal, e.g.(Co/Pt) n multilayers having perpendicular anisotropy (H01F10/3286 takes precedence)}	H01F10/32	H01F10/32		89
H01F10/324	9	{Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer}	H01F10/32	H01F10/32		271
H01F10/3245	10	{the spacer being superconductive}	H01F10/32	H01F10/32		5
H01F10/325	10	{the spacer being noble metal}	H01F10/32	H01F10/32		145
H01F10/3254	10	{the spacer being semiconducting or insulating, e.g. for spin tunnel junction [STJ]}	H01F10/32	H01F10/32		1564
H01F10/3259	11	{Spin-exchange-coupled multilayers comprising at least a nanooxide layer [NOL], e.g. with a NOL spacer}	H01F10/32	H01F10/32		197
H01F10/3263	10	{the exchange coupling being symmetric, e.g. for dual spin valve, e.g. NiO/Co/Cu/Co/Cu/Co/NiO}	H01F10/32	H01F10/32		136
H01F10/3268	10	{the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn}	H01F10/32	H01F10/32		794
H01F10/3272	11	{by use of anti-parallel coupled [APC] ferromagnetic layers, e.g. artificial ferrimagnets [AFI], artificial [AAF] or synthetic [SAF] anti-ferromagnets}	H01F10/32	H01F10/32		834
H01F10/3277	12	{by use of artificial ferrimagnets [AFI] only}	H01F10/32	H01F10/32		41
H01F10/3281	11	{only by use of asymmetry of the magnetic film pair itself, i.e. so-called pseudospin valve [PSV] structure, e.g. NiFe/Cu/Co}	H01F10/32	H01F10/32		151
H01F10/3286	10	{Spin-exchange coupled multilayers having at least one layer with perpendicular magnetic anisotropy}	H01F10/32	H01F10/32		786
H01F10/329	10	{Spin-exchange coupled multilayers wherein the magnetisation of the free layer is switched by a spin-polarised current, e.g. spin torque effect}	H01F10/32	H01F10/32		576
H01F10/3295	10	{Spin-exchange coupled multilayers wherein the magnetic pinned or free layers are laminated without anti-parallel coupling within the pinned and free layers}	H01F10/32	H01F10/32		273
H01F13/00	7	Apparatus or processes for magnetising or demagnetising ({devices for holding workpieces using magnetic or electric force acting directly on the workpieces B23Q3/15} ; for degaussing ships B63G9/06; for clocks or watches G04D9/00; {recording or erasing of information on magnetic record carriers G11B5/00} ; demagnetising arrangements for colour television H04N9/29)	H01F13/00	H01F13/00		815
H01F13/003	8	{Methods and devices for magnetising permanent magnets (permanent magnets H01F7/02)}	H01F13/00	H01F13/00		1687
H01F13/006	8	{Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material (for erasing of information on magnetic record carriers G11B5/00)}	H01F13/00	H01F13/00		936
H01F17/00	7	Fixed inductances of the signal type {(coils in general&#160;H01F5/00)}	H01F17/00	H01F17/00		1093
H01F17/0006	8	{Printed inductances (printed coils for dynamo-electric machines H02K3/26; printed circuits H05K)}	H01F17/00	H01F17/00		2117
H01F17/0013	9	{with stacked layers}	H01F17/00	H01F17/00		4047
H01F2017/002	10	{Details of via holes for interconnecting the layers}	H01F17/00	H01F17/00		817
H01F2017/0026	10	{Multilayer LC-filter}	H01F17/00	H01F17/00		332
H01F17/0033	9	{with the coil helically wound around a magnetic core}	H01F17/00	H01F17/00		945
H01F2017/004	9	{with the coil helically wound around an axis without a core}	H01F17/00	H01F17/00		343
H01F2017/0046	9	{with a conductive path having a bridge}	H01F17/00	H01F17/00		253
H01F2017/0053	9	{with means to reduce eddy currents}	H01F17/00	H01F17/00		147
H01F2017/006	9	{flexible printed inductors}	H01F17/00	H01F17/00		113
H01F2017/0066	9	{with a magnetic layer}	H01F17/00	H01F17/00		808
H01F2017/0073	9	{with a special conductive pattern, e.g. flat spiral}	H01F17/00	H01F17/00		778
H01F2017/008	9	{Electric or magnetic shielding of printed inductances}	H01F17/00	H01F17/00		223
H01F2017/0086	9	{on semiconductor substrate}	H01F17/00	H01F17/00		340
H01F2017/0093	8	{Common mode choke coil}	H01F17/00	H01F17/00		809
H01F17/02	8	without magnetic core	H01F17/02	H01F17/02		596
H01F17/03	9	with ceramic former	H01F17/03	H01F17/03		37
H01F17/04	8	with magnetic core	H01F17/04	H01F17/04		3436
H01F17/041	9	{Means for preventing rotation or displacement of the core}	H01F17/04	H01F17/04		227
H01F17/043	9	{with two, usually identical or nearly identical parts enclosing completely the coil (pot cores)}	H01F17/04	H01F17/04		627
H01F17/045	9	{with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core}	H01F17/04	H01F17/04		1374
H01F2017/046	10	{helical coil made of flat wire, e.g. with smaller extension of wire cross section in the direction of the longitudinal axis}	H01F17/04	H01F17/04		168
H01F2017/048	9	{with encapsulating core, e.g. made of resin and magnetic powder}	H01F17/04	H01F17/04		1722
H01F17/06	9	with core substantially closed in itself, e.g. toroid	H01F17/06	H01F17/06		942
H01F17/062	10	{Toroidal core with turns of coil around it}	H01F17/06	H01F17/06		961
H01F2017/065	10	{Core mounted around conductor to absorb noise, e.g. EMI filter}	H01F17/06	H01F17/06		547
H01F2017/067	10	{Core with two or more holes to lead through conductor}	H01F17/06	H01F17/06		147
H01F17/08	10	Loading coils for telecommunication circuits	H01F17/08	H01F17/08		221
H01F19/00	7	Fixed transformers or mutual inductances of the signal type (H01F36/00 takes precedence)	H01F19/00	H01F19/00		351
H01F19/02	8	Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range	H01F19/02	H01F19/02		316
H01F19/04	8	Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range (resonant circuits H03H)	H01F19/04	H01F19/04		906
H01F19/06	9	Broad-band transformers, e.g. suitable for handling frequencies well down into the audio range	H01F19/06	H01F19/06		131
H01F19/08	9	Transformers having magnetic bias, e.g. for handling pulses	H01F19/08	H01F19/08		360
H01F2019/085	10	{Transformer for galvanic isolation}	H01F19/08	H01F19/08		439
H01F21/00	7	Variable inductances or transformers of the signal type (H01F36/00 takes precedence)	H01F21/00	H01F21/00		109
H01F21/005	8	{Inductances without magnetic core}	H01F21/00	H01F21/00		598
H01F21/02	8	continuously variable, e.g. variometers	H01F21/02	H01F21/02		293
H01F21/04	9	by relative movement of turns or parts of windings	H01F21/04	H01F21/04		327
H01F21/06	9	by movement of core or part of core relative to the windings as a whole	H01F21/06	H01F21/06		754
H01F21/065	10	{Measures for obtaining a desired relation between the position of the core and the inductance}	H01F21/06	H01F21/06		274
H01F21/08	9	by varying the permeability of the core, e.g. by varying magnetic bias	H01F21/08	H01F21/08		381
H01F21/10	9	by means of a movable shield	H01F21/10	H01F21/10		56
H01F21/12	8	discontinuously variable, e.g. tapped	H01F21/12	H01F21/12		573
H01F2021/125	9	{Printed variable inductor with taps, e.g. for VCO}	H01F21/12	H01F21/12		195
H01F27/00	7	Details of transformers or inductances, in general	H01F27/00	H01F27/00		1350
H01F27/002	8	{Arrangements provided on the transformer facilitating its transport}	H01F27/00	H01F27/00		591
H01F27/004	8	{Arrangements for interchanging inductances, transformers or coils thereof}	H01F27/00	H01F27/00		499
H01F27/006	8	{with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance}	H01F27/00	H01F27/00		603
H01F27/008	8	{with temperature compensation}	H01F27/00	H01F27/00		213
H01F27/02	8	Casings	H01F27/02	H01F27/02		6509
H01F27/022	9	{Encapsulation}	H01F27/02	H01F27/02		3082
H01F27/025	9	{Constructional details relating to cooling}	H01F27/02	H01F27/02		2804
H01F27/027	9	{specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards}	H01F27/02	H01F27/02		1059
H01F27/04	9	Leading of conductors or axles through casings, e.g. for tap-changing arrangements	H01F27/04	H01F27/04		1912
H01F27/06	8	Mounting, supporting or suspending transformers, reactors or choke coils {not being of the signal type}	H01F27/06	H01F27/06		6541
H01F2027/065	9	{Mounting on printed circuit boards}	H01F27/06	H01F27/06		895
H01F27/08	8	Cooling (heat-transfer elements F28F); Ventilating (structural details of casings H01F27/02)	H01F27/08	H01F27/08		2818
H01F27/085	9	{Cooling by ambient air}	H01F27/08	H01F27/08		4215
H01F27/10	9	Liquid cooling	H01F27/10	H01F27/10		1046
H01F27/105	10	{Cooling by special liquid or by liquid of particular composition}	H01F27/10	H01F27/10		136
H01F27/12	10	Oil cooling	H01F27/12	H01F27/12		2539
H01F27/125	11	{Cooling by synthetic insulating and incombustible liquid}	H01F27/12	H01F27/12		151
H01F27/14	11	Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling	H01F27/14	H01F27/14		4266
H01F27/16	10	Water cooling	H01F27/16	H01F27/16		1454
H01F27/18	10	by evaporating liquids	H01F27/18	H01F27/18		640
H01F27/20	9	Cooling by special gases or non-ambient air	H01F27/20	H01F27/20		279
H01F27/22	9	Cooling by heat conduction through solid or powdered fillings	H01F27/22	H01F27/22		3014
H01F27/23	8	Corrosion protection	H01F27/23	H01F27/23		411
H01F27/24	8	Magnetic cores	H01F27/24	H01F27/24		5894
H01F27/245	9	made from sheets, e.g. grain-oriented (H01F27/26 takes precedence)	H01F27/245	H01F27/245		3053
H01F27/2455	10	{using bent laminations}	H01F27/245	H01F27/245		402
H01F27/25	9	made from strips or ribbons (H01F27/26 takes precedence)	H01F27/25	H01F27/25		1196
H01F27/255	9	made from particles (H01F27/26 takes precedence)	H01F27/255	H01F27/255		2459
H01F27/26	9	Fastening parts of the core together; Fastening or mounting the core on casing or support (on coil H01F27/30)	H01F27/26	H01F27/26		662
H01F27/263	10	{Fastening parts of the core together}	H01F27/26	H01F27/26		2524
H01F27/266	10	{Fastening or mounting the core on casing or support (on coil H01F27/30)}	H01F27/26	H01F27/26		2645
H01F27/28	8	Coils; Windings; Conductive connections	H01F27/28	H01F27/28		6207
H01F27/2804	9	{Printed windings}	H01F27/28	H01F27/28		5295
H01F2027/2809	10	{on stacked layers}	H01F27/28	H01F27/28		2802
H01F2027/2814	10	{with only part of the coil or of the winding in the printed circuit board, e.g. the remaining coil or winding sections can be made of wires or sheets}	H01F27/28	H01F27/28		339
H01F2027/2819	10	{Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit}	H01F27/28	H01F27/28		898
H01F27/2823	9	{Wires (H01F27/2866 takes precedence)}	H01F27/28	H01F27/28		3299
H01F27/2828	10	{Construction of conductive connections, of leads}	H01F27/28	H01F27/28		1978
H01F2027/2833	10	{using coaxial cable as wire}	H01F27/28	H01F27/28		121
H01F2027/2838	10	{using transposed wires}	H01F27/28	H01F27/28		167
H01F2027/2842	10	{Wire coils wound in conical zigzag to reduce voltage between winding turns}	H01F27/28	H01F27/28		28
H01F27/2847	9	{Sheets; Strips (H01F27/2866 takes precedence)}	H01F27/28	H01F27/28		1735
H01F27/2852	10	{Construction of conductive connections, of leads}	H01F27/28	H01F27/28		770
H01F2027/2857	10	{Coil formed from wound foil conductor}	H01F27/28	H01F27/28		412
H01F2027/2861	10	{Coil formed by folding a blank}	H01F27/28	H01F27/28		213
H01F27/2866	9	{Combination of wires and sheets}	H01F27/28	H01F27/28		264
H01F27/2871	9	{Pancake coils}	H01F27/28	H01F27/28		969
H01F27/2876	9	{Cooling (cooling transformers and inductances in general H01F27/08)}	H01F27/28	H01F27/28		1794
H01F27/288	9	{Shielding}	H01F27/28	H01F27/28		495
H01F27/2885	10	{with shields or electrodes (shields or electrodes for pancake coils H01F27/2871; construction of electric or magnetic shields or screens H01F27/36)}	H01F27/28	H01F27/28		484
H01F27/289	10	{with auxiliary windings (for pancake coils H01F27/2871)}	H01F27/28	H01F27/28		146
H01F27/2895	9	{Windings disposed upon ring cores}	H01F27/28	H01F27/28		771
H01F27/29	9	Terminals; Tapping arrangements {for signal inductances}	H01F27/29	H01F27/29		6637
H01F27/292	10	{Surface mounted devices}	H01F27/29	H01F27/29		4186
H01F2027/295	11	{with flexible terminals}	H01F27/29	H01F27/29		50
H01F2027/297	10	{with pin-like terminal to be inserted in hole of printed path}	H01F27/29	H01F27/29		440
H01F27/30	9	Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support	H01F27/30	H01F27/30		1308
H01F27/303	10	{Clamping coils, windings or parts thereof together}	H01F27/30	H01F27/30		882
H01F27/306	10	{Fastening or mounting coils or windings on core, casing or other support}	H01F27/30	H01F27/30		7343
H01F27/32	9	Insulating of coils, windings, or parts thereof	H01F27/32	H01F27/32		1596
H01F27/321	10	{using a fluid for insulating purposes only}	H01F27/32	H01F27/32		299
H01F27/322	10	{the insulation forming channels for circulation of the fluid}	H01F27/32	H01F27/32		654
H01F27/323	10	{Insulation between winding turns, between winding layers}	H01F27/32	H01F27/32		2168
H01F27/324	10	{Insulation between coil and core, between different winding sections, around the coil; Other insulation structures}	H01F27/32	H01F27/32		3848
H01F27/325	11	{Coil bobbins (formers for coils in general H01F5/02)}	H01F27/32	H01F27/32		1795
H01F27/326	11	{specifically adapted for discharge lamp ballasts}	H01F27/32	H01F27/32		230
H01F27/327	10	{Encapsulating or impregnating (encapsulating coil and core H01F27/022)}	H01F27/32	H01F27/32		1435
H01F2027/328	11	{Dry-type transformer with encapsulated foil winding, e.g. windings coaxially arranged on core legs with spacers for cooling and with three phases}	H01F27/32	H01F27/32		182
H01F2027/329	10	{Insulation with semiconducting layer, e.g. to reduce corona effect}	H01F27/32	H01F27/32		91
H01F27/33	8	Arrangements for noise damping	H01F27/33	H01F27/33		2268
H01F27/34	8	Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields	H01F27/34	H01F27/34		2975
H01F27/341	9	{Preventing or reducing no-load losses or reactive currents}	H01F27/34	H01F27/34		276
H01F27/343	9	{Preventing or reducing surge voltages; oscillations}	H01F27/34	H01F27/34		568
H01F27/345	10	{using auxiliary conductors}	H01F27/34	H01F27/34		148
H01F27/346	9	{Preventing or reducing leakage fields (using magnetic shields H01F27/36; using auxiliary windings H01F27/38)}	H01F27/34	H01F27/34		1111
H01F2027/348	9	{Preventing eddy currents}	H01F27/34	H01F27/34		671
H01F27/36	9	Electric or magnetic shields or screens (movable for varying inductance H01F21/10)	H01F27/36	H01F27/36		3649
H01F27/361	10	{made of combinations of electrically conductive material and ferromagnetic material}	H01F27/36	H01F27/36		253
H01F27/363	10	{made of electrically conductive material}	H01F27/36	H01F27/36		1644
H01F27/366	10	{made of ferromagnetic material}	H01F27/36	H01F27/36		1233
H01F27/38	9	Auxiliary core members; Auxiliary coils or windings	H01F27/38	H01F27/38		1271
H01F27/385	10	{for reducing harmonics}	H01F27/38	H01F27/38		306
H01F27/40	8	Structural association with built-in electric component, e.g. fuse	H01F27/40	H01F27/40		4071
H01F27/402	9	{Association of measuring or protective means}	H01F27/40	H01F27/40		4581
H01F2027/404	10	{Protective devices specially adapted for fluid filled transformers}	H01F27/40	H01F27/40		1106
H01F2027/406	10	{Temperature sensor or protection}	H01F27/40	H01F27/40		1772
H01F2027/408	9	{Association with diode or rectifier}	H01F27/40	H01F27/40		466
H01F27/42	8	Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils (circuits for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output H02P13/00; impedance networks H03H)	H01F27/42	H01F27/42		712
H01F27/422	9	{for instrument transformers}	H01F27/42	H01F27/42		64
H01F27/425	10	{for voltage transformers}	H01F27/42	H01F27/42		149
H01F27/427	10	{for current transformers}	H01F27/42	H01F27/42		354
H01F29/00	7	Variable transformers or inductances not covered by group H01F21/00{(tap change devices H01H9/0005)}	H01F29/00	H01F29/00		296
H01F29/02	8	with tappings on coil or winding; with provision for rearrangement or interconnection of windings	H01F29/02	H01F29/02		1316
H01F29/025	9	{Constructional details of transformers or reactors with tapping on coil or windings}	H01F29/02	H01F29/02		643
H01F29/04	9	having provision for tap-changing without interrupting the load current	H01F29/04	H01F29/04		1939
H01F29/06	8	with current collector gliding or rolling on or along winding	H01F29/06	H01F29/06		575
H01F29/08	8	with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators	H01F29/08	H01F29/08		85
H01F29/10	9	having movable part of magnetic circuit {(high leakage transformers H01F38/08; dynamo-electric machines with movable part of magnetic circuit H02K23/44, H02K23/48)}	H01F29/10	H01F29/10		930
H01F29/12	9	having movable coil, winding, or part thereof; having movable shield	H01F29/12	H01F29/12		619
H01F29/14	8	with variable magnetic bias ({amplitude modulation by means of variable impedance element H03C1/08} ; magnetic amplifiers H03F; {circuits for automatic telephonic communication H04M3/00})	H01F29/14	H01F29/14		644
H01F2029/143	9	{with control winding for generating magnetic bias}	H01F29/14	H01F29/14		677
H01F29/146	9	{Constructional details}	H01F29/14	H01F29/14		361
H01F30/00	7	Fixed transformers not covered by group H01F19/00	H01F30/00	H01F30/00		92
H01F30/02	8	Auto-transformers	H01F30/02	H01F30/02		268
H01F30/04	8	having two or more secondary windings, each supplying a separate load, e.g. for radio set power supplies	H01F30/04	H01F30/04		302
H01F30/06	8	characterised by the structure	H01F30/06	H01F30/06		742
H01F30/08	9	without magnetic core	H01F30/08	H01F30/08		187
H01F30/10	9	Single-phase transformers (H01F30/16 takes precedence)	H01F30/10	H01F30/10		1060
H01F30/12	9	Two-phase, three-phase or polyphase transformers	H01F30/12	H01F30/12		1135
H01F30/14	10	for changing the number of phases	H01F30/14	H01F30/14		435
H01F30/16	9	Toroidal transformers	H01F30/16	H01F30/16		611
H01F36/00	7	Transformers with superconductive windings or with windings operating at cryogenic temperature (superconducting magnets or superconducting coils H01F6/00)	H01F36/00	H01F36/00		193
H01F37/00	7	Fixed inductances not covered by group H01F17/00	H01F37/00	H01F37/00		2173
H01F37/005	8	{without magnetic core}	H01F37/00	H01F37/00		375
H01F38/00	7	Adaptations of transformers or inductances for specific applications or functions	H01F38/00	H01F38/00		510
H01F2038/003	8	{High frequency transformer for microwave oven}	H01F38/00	H01F38/00		172
H01F2038/006	8	{matrix transformer consisting of several interconnected individual transformers working as a whole}	H01F38/00	H01F38/00		169
H01F38/02	8	for non-linear operation	H01F38/02	H01F38/02		147
H01F38/023	9	{of inductances}	H01F38/02	H01F38/02		301
H01F2038/026	10	{non-linear inductive arrangements for converters, e.g. with additional windings}	H01F38/02	H01F38/02		139
H01F38/04	9	for frequency changing	H01F38/04	H01F38/04		227
H01F38/06	9	for changing the wave shape	H01F38/06	H01F38/06		80
H01F38/08	8	High-leakage transformers or inductances	H01F38/08	H01F38/08		369
H01F38/085	9	{Welding transformers}	H01F38/08	H01F38/08		354
H01F38/10	9	Ballasts, e.g. for discharge lamps	H01F38/10	H01F38/10		1198
H01F38/12	8	Ignition, e.g. for IC engines	H01F38/12	H01F38/12		2089
H01F2038/122	9	{with rod-shaped core}	H01F38/12	H01F38/12		397
H01F2038/125	9	{with oil insulation}	H01F38/12	H01F38/12		110
H01F2038/127	9	{with magnetic circuit including permanent magnet}	H01F38/12	H01F38/12		51
H01F38/14	8	Inductive couplings {(for wireless supply or distribution of electric power using inductive coupling H02J50/10)}	H01F38/14	H01F38/14		7374
H01F2038/143	9	{for signals}	H01F38/14	H01F38/14		586
H01F2038/146	9	{in combination with capacitive coupling}	H01F38/14	H01F38/14		199
H01F38/16	8	Cascade transformers, e.g. for use with extra high tension	H01F38/16	H01F38/16		94
H01F38/18	8	Rotary transformers	H01F38/18	H01F38/18		1264
H01F38/20	8	Instruments transformers	H01F38/20	H01F38/20		481
H01F38/22	9	for single phase AC	H01F38/22	H01F38/22		64
H01F38/24	10	Voltage transformers	H01F38/24	H01F38/24		198
H01F38/26	11	Constructions	H01F38/26	H01F38/26		782
H01F38/28	10	Current transformers	H01F38/28	H01F38/28		648
H01F38/30	11	Constructions	H01F38/30	H01F38/30		3092
H01F2038/305	12	{with toroidal magnetic core}	H01F38/30	H01F38/30		664
H01F38/32	11	Circuit arrangements	H01F38/32	H01F38/32		317
H01F38/34	10	Combined voltage and current transformers	H01F38/34	H01F38/34		81
H01F38/36	11	Constructions	H01F38/36	H01F38/36		253
H01F38/38	9	for polyphase AC	H01F38/38	H01F38/38		339
H01F38/40	9	for DC	H01F38/40	H01F38/40		79
H01F38/42	8	Flyback transformers	H01F38/42	H01F38/42		2225
H01F2038/423	9	{with adjusting potentiometers}	H01F38/42	H01F38/42		41
H01F2038/426	9	{with gap in transformer core}	H01F38/42	H01F38/42		64
H01F41/00	7	Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties<br><br><u>NOTE</u><br><br>Group H01F41/30 takes precedence over groups H01F41/16 - H01F41/24, and over group H01F41/32.<br>This Note corresponds to IPC Note (1) relating to H01F41/16 - H01F41/24, H01F41/32.	H01F41/00	H01F41/00		4631
H01F41/005	8	{Impregnating or encapsulating (insulating of windings H01F41/12)}	H01F41/00	H01F41/00		1783
H01F41/02	8	for manufacturing cores, coils, or magnets (H01F41/14 takes precedence; for dynamo-electric machines H02K15/00)	H01F41/02	H01F41/02		4893
H01F41/0206	9	{Manufacturing of magnetic cores by mechanical means (magnetic cores per seH01F27/24)}	H01F41/02	H01F41/02		1736
H01F41/0213	10	{Manufacturing of magnetic circuits made from strip(s) or ribbon(s) (magnetic cores made by winding a ribbon H01F27/25)}	H01F41/02	H01F41/02		787
H01F41/022	11	{by winding the strips or ribbons around a coil}	H01F41/02	H01F41/02		173
H01F41/0226	11	{from amorphous ribbons}	H01F41/02	H01F41/02		684
H01F41/0233	10	{Manufacturing of magnetic circuits made from sheets (magnetic cores made from sheets H01F27/245; soft magnetic alloys in the form of sheets H01F1/16)}	H01F41/02	H01F41/02		2084
H01F41/024	11	{Manufacturing of magnetic circuits made from deformed sheets (magnetic cores made from deformed sheets H01F27/2455)}	H01F41/02	H01F41/02		342
H01F41/0246	10	{Manufacturing of magnetic circuits by moulding or by pressing powder (magnetic cores made by moulding or by pressing powder H01F27/255; soft magnetic particles H01F1/20, H01F1/36)}	H01F41/02	H01F41/02		2879
H01F41/0253	9	{for manufacturing permanent magnets}	H01F41/02	H01F41/02		3326
H01F41/026	10	{protecting methods against environmental influences, e.g. oxygen, by surface treatment (magnetic particles with skin H01F1/061, H01F1/09, H01F1/24, H01F1/33 and G11B5/706)}	H01F41/02	H01F41/02		1233
H01F41/0266	10	{Moulding; Pressing (H01F41/0273 takes precedence; hard magnetic particles H01F1/06, H01F1/11)}	H01F41/02	H01F41/02		3037
H01F41/0273	10	{Imparting anisotropy (methods and devices for magnetising permanent magnets H01F13/003)}	H01F41/02	H01F41/02		927
H01F41/028	11	{Radial anisotropy (for rotor or stator bodies H02K15/02)}	H01F41/02	H01F41/02		244
H01F41/0286	10	{Trimming}	H01F41/02	H01F41/02		144
H01F41/0293	10	{diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets}	H01F41/02	H01F41/02		1662
H01F41/04	9	for manufacturing coils {(coils for transformer or inductances H01F27/28)}	H01F41/04	H01F41/04		3034
H01F41/041	10	{Printed circuit coils (apparatus or processes for manufacturing printed circuits in general H05K3/00)}	H01F41/04	H01F41/04		1624
H01F41/042	11	{by thin film techniques}	H01F41/04	H01F41/04		413
H01F41/043	11	{by thick film techniques}	H01F41/04	H01F41/04		376
H01F41/045	11	{Trimming}	H01F41/04	H01F41/04		104
H01F41/046	11	{structurally combined with ferromagnetic material}	H01F41/04	H01F41/04		1148
H01F41/047	11	{structurally combined with superconductive material}	H01F41/04	H01F41/04		19
H01F41/048	10	{Superconductive coils}	H01F41/04	H01F41/04		551
H01F41/06	10	Coil winding	H01F41/06	H01F41/06		3168
H01F41/061	11	Winding flat conductive wires or sheets	H01F41/061	H01F41/061		465
H01F41/063	12	with insulation	H01F41/063	H01F41/063		239
H01F41/064	11	Winding non-flat conductive wires, e.g. rods, cables or cords	H01F41/064	H01F41/064		345
H01F41/066	12	with insulation	H01F41/066	H01F41/066		291
H01F41/068	13	in the form of strip material	H01F41/068	H01F41/068		163
H01F41/069	12	Winding two or more wires, e.g. bifilar winding	H01F41/069	H01F41/069		198
H01F41/07	13	Twisting	H01F41/07	H01F41/07		92
H01F41/071	11	Winding coils of special form (winding conductors onto closed formers or cores H01F41/08)	H01F41/071	H01F41/071		414
H01F2041/0711	12	{Winding saddle or deflection coils}	H01F41/071	H01F41/071		147
H01F41/073	12	Winding onto elongate formers	H01F41/073	H01F41/073		62
H01F41/074	12	Winding flat coils	H01F41/074	H01F41/074		162
H01F41/076	11	Forming taps or terminals while winding, e.g. by wrapping or soldering the wire onto pins, or by directly forming terminals from the wire	H01F41/076	H01F41/076		759
H01F41/077	11	Deforming the cross section or shape of the winding material while winding	H01F41/077	H01F41/077		300
H01F41/079	11	Measuring electrical characteristics while winding	H01F41/079	H01F41/079		72
H01F41/08	11	Winding conductors onto closed formers or cores, e.g. threading conductors through toroidal cores	H01F41/08	H01F41/08		1285
H01F41/082	11	Devices for guiding or positioning the winding material on the former	H01F41/082	H01F41/082		1137
H01F41/084	12	for forming pancake coils	H01F41/084	H01F41/084		84
H01F41/086	12	in a special configuration on the former, e.g. orthocyclic coils or open mesh coils	H01F41/086	H01F41/086		141
H01F41/088	12	using revolving flyers	H01F41/088	H01F41/088		78
H01F41/09	11	Winding machines having two or more work holders or formers	H01F41/09	H01F41/09		428
H01F41/092	12	Turrets; Turntables	H01F41/092	H01F41/092		182
H01F41/094	11	Tensioning or braking devices	H01F41/094	H01F41/094		731
H01F41/096	11	Dispensing or feeding devices	H01F41/096	H01F41/096		844
H01F41/098	11	Mandrels; Formers	H01F41/098	H01F41/098		974
H01F41/10	10	Connecting leads to windings (making electric connections in general H01R43/00)	H01F41/10	H01F41/10		1567
H01F41/12	10	Insulating of windings ({impregnating or encapsulating of transformers H01F41/005} ; of conductors in general H01B13/06)	H01F41/12	H01F41/12		651
H01F41/122	11	{Insulating between turns or between winding layers}	H01F41/12	H01F41/12		968
H01F41/125	11	{Other insulating structures; Insulating between coil and core, between different winding sections, around the coil}	H01F41/12	H01F41/12		962
H01F41/127	11	{Encapsulating or impregnating (encapsulating coil and core H01F41/005)}	H01F41/12	H01F41/12		1549
H01F41/14	8	for applying magnetic films to substrates	H01F41/14	H01F41/14		398
H01F41/16	9	the magnetic material being applied in the form of particles, e.g. by serigraphy {, to form thick magnetic films or precursors therefor}(H01F41/18{-H01F41/24} take precedence)	H01F41/16	H01F41/16		674
H01F41/18	9	by cathode sputtering	H01F41/18	H01F41/18		470
H01F41/183	10	{Sputtering targets therefor}	H01F41/18	H01F41/18		226
H01F41/186	10	{for applying a magnetic garnet film (magnetic garnet materials H01F1/346; magnetic garnet films H01F10/24)}	H01F41/18	H01F41/18		17
H01F41/20	9	by evaporation	H01F41/20	H01F41/20		222
H01F41/205	10	{by laser ablation, e.g. pulsed laser deposition [PLD]}	H01F41/20	H01F41/20		47
H01F41/22	9	Heat treatment; Thermal decomposition; Chemical vapour deposition	H01F41/22	H01F41/22		238
H01F41/24	9	from liquids	H01F41/24	H01F41/24		189
H01F41/26	10	using electric currents {, e.g. electroplating}	H01F41/26	H01F41/26		332
H01F41/28	10	by liquid phase epitaxy	H01F41/28	H01F41/28		124
H01F41/30	9	for applying nanostructures, e.g. by molecular beam epitaxy [MBE]	H01F41/30	H01F41/30		94
H01F41/301	10	{for applying ultrathin or granular layers (ultrathin or granular layers H01F10/007)}	H01F41/30	H01F41/30		70
H01F41/302	10	{for applying spin-exchange-coupled multilayers, e.g. nanostructured superlattices (spin-exchange-coupled multilayers H01F10/32)}	H01F41/30	H01F41/30		449
H01F41/303	11	{with exchange coupling adjustment of magnetic film pairs, e.g. interface modifications by reduction, oxidation}	H01F41/30	H01F41/30		107
H01F41/304	12	{using temporary decoupling, e.g. involving blocking, N&#233;el or Curie temperature transitions by heat treatment in presence/absence of a magnetic field}	H01F41/30	H01F41/30		47
H01F41/305	11	{applying the spacer or adjusting its interface, e.g. in order to enable particular effect different from exchange coupling}	H01F41/30	H01F41/30		27
H01F41/306	12	{conductive spacer}	H01F41/30	H01F41/30		32
H01F41/307	12	{insulating or semiconductive spacer}	H01F41/30	H01F41/30		265
H01F41/308	11	{lift-off processes, e.g. ion milling, for trimming or patterning}	H01F41/30	H01F41/30		193
H01F41/309	11	{electroless or electrodeposition processes from plating solution}	H01F41/30	H01F41/30		21
H01F41/32	8	for applying conductive, insulating or magnetic material on a magnetic film {, specially adapted for a thin magnetic film}	H01F41/32	H01F41/32		282
H01F41/325	9	{applying a noble metal capping on a spin-exchange-coupled multilayer, e.g. spin filter deposition}	H01F41/32	H01F41/32		108
H01F41/34	9	in patterns, e.g. by lithography	H01F41/34	H01F41/34		529
