TW294815B - - Google Patents

Download PDF

Info

Publication number: TW294815B
Authority: TW; Taiwan
Prior art keywords: magnetic powder; powder; magnetic; patent application; item
Prior art date: 1993-11-11

Application number

TW83110196A

Other languages

English (en)

Chinese (zh)

Original Assignee

Seiko Epson Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1993-11-11

Filing date

1994-11-04

Publication date

1997-01-01

1994-11-04 Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp

1997-01-01 Application granted granted Critical

1997-01-01 Publication of TW294815B publication Critical patent/TW294815B/zh

Links

230000005291 magnetic effect Effects 0.000 claims description 193
239000000843 powder Substances 0.000 claims description 140
239000006247 magnetic powder Substances 0.000 claims description 124
239000002245 particle Substances 0.000 claims description 53
238000011049 filling Methods 0.000 claims description 51
239000011812 mixed powder Substances 0.000 claims description 49
239000000203 mixture Substances 0.000 claims description 49
239000007789 gas Substances 0.000 claims description 48
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 41
229910052742 iron Inorganic materials 0.000 claims description 26
238000002156 mixing Methods 0.000 claims description 25
238000004519 manufacturing process Methods 0.000 claims description 14
229910052802 copper Inorganic materials 0.000 claims description 13
230000004907 flux Effects 0.000 claims description 8
238000000034 method Methods 0.000 claims description 6
238000005245 sintering Methods 0.000 claims description 6
239000000853 adhesive Substances 0.000 claims description 5
230000001070 adhesive effect Effects 0.000 claims description 5
239000001307 helium Substances 0.000 claims description 5
229910052734 helium Inorganic materials 0.000 claims description 5
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 5
239000001257 hydrogen Substances 0.000 claims description 5
229910052739 hydrogen Inorganic materials 0.000 claims description 5
229910052761 rare earth metal Inorganic materials 0.000 claims description 5
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
230000002079 cooperative effect Effects 0.000 claims description 4
229910000859 α-Fe Inorganic materials 0.000 claims 4
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
239000011230 binding agent Substances 0.000 claims 1
239000008609 bushi Substances 0.000 claims 1
229910052799 carbon Inorganic materials 0.000 claims 1
239000004568 cement Substances 0.000 claims 1
230000000875 corresponding effect Effects 0.000 claims 1
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
229910052737 gold Inorganic materials 0.000 claims 1
239000010931 gold Substances 0.000 claims 1
238000009434 installation Methods 0.000 claims 1
229910052752 metalloid Inorganic materials 0.000 claims 1
229910052757 nitrogen Inorganic materials 0.000 claims 1
-1 rare earth Metalloids Chemical class 0.000 claims 1
229910052709 silver Inorganic materials 0.000 claims 1
239000004332 silver Substances 0.000 claims 1
230000007704 transition Effects 0.000 claims 1
230000000052 comparative effect Effects 0.000 description 54
230000003993 interaction Effects 0.000 description 48
230000005415 magnetization Effects 0.000 description 39
239000003822 epoxy resin Substances 0.000 description 28
229920000647 polyepoxide Polymers 0.000 description 28
239000012300 argon atmosphere Substances 0.000 description 21
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 20
238000009740 moulding (composite fabrication) Methods 0.000 description 18
230000005347 demagnetization Effects 0.000 description 17
238000004898 kneading Methods 0.000 description 17
230000032683 aging Effects 0.000 description 16
230000000694 effects Effects 0.000 description 14
238000002844 melting Methods 0.000 description 14
230000008018 melting Effects 0.000 description 14
229910052726 zirconium Inorganic materials 0.000 description 14
238000001816 cooling Methods 0.000 description 13
229910052786 argon Inorganic materials 0.000 description 10
238000000748 compression moulding Methods 0.000 description 10
230000007423 decrease Effects 0.000 description 10
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 9
238000000465 moulding Methods 0.000 description 9
239000012298 atmosphere Substances 0.000 description 8
230000008859 change Effects 0.000 description 7
239000000696 magnetic material Substances 0.000 description 7
238000010586 diagram Methods 0.000 description 6
229910052777 Praseodymium Inorganic materials 0.000 description 5
239000000956 alloy Substances 0.000 description 5
229910045601 alloy Inorganic materials 0.000 description 5
229910021529 ammonia Inorganic materials 0.000 description 4
238000010438 heat treatment Methods 0.000 description 4
230000006872 improvement Effects 0.000 description 4
239000000463 material Substances 0.000 description 4
238000007639 printing Methods 0.000 description 4
229910052779 Neodymium Inorganic materials 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
230000008878 coupling Effects 0.000 description 3
238000010168 coupling process Methods 0.000 description 3
238000005859 coupling reaction Methods 0.000 description 3
239000006185 dispersion Substances 0.000 description 3
238000003825 pressing Methods 0.000 description 3
150000002910 rare earth metals Chemical class 0.000 description 3
238000006467 substitution reaction Methods 0.000 description 3
VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 2
YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 2
239000004593 Epoxy Substances 0.000 description 2
NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 2
AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
239000004677 Nylon Substances 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
238000007906 compression Methods 0.000 description 2
230000006835 compression Effects 0.000 description 2
229910052805 deuterium Inorganic materials 0.000 description 2
238000000265 homogenisation Methods 0.000 description 2
239000006249 magnetic particle Substances 0.000 description 2
239000012299 nitrogen atmosphere Substances 0.000 description 2
229920001778 nylon Polymers 0.000 description 2
238000010298 pulverizing process Methods 0.000 description 2
229920005989 resin Polymers 0.000 description 2
239000011347 resin Substances 0.000 description 2
229910000018 strontium carbonate Inorganic materials 0.000 description 2
HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
229910052684 Cerium Inorganic materials 0.000 description 1
241000287828 Gallus gallus Species 0.000 description 1
102100037487 Histone H1.0 Human genes 0.000 description 1
101000993059 Homo sapiens Hereditary hemochromatosis protein Proteins 0.000 description 1
101001026554 Homo sapiens Histone H1.0 Proteins 0.000 description 1
JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
240000002853 Nelumbo nucifera Species 0.000 description 1
235000006508 Nelumbo nucifera Nutrition 0.000 description 1
235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
229920000299 Nylon 12 Polymers 0.000 description 1
238000009825 accumulation Methods 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
229910052793 cadmium Inorganic materials 0.000 description 1
BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
238000003763 carbonization Methods 0.000 description 1
238000005266 casting Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
230000002708 enhancing effect Effects 0.000 description 1
125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
230000004927 fusion Effects 0.000 description 1
238000002309 gasification Methods 0.000 description 1
238000005469 granulation Methods 0.000 description 1
230000003179 granulation Effects 0.000 description 1
238000000227 grinding Methods 0.000 description 1
150000002431 hydrogen Chemical class 0.000 description 1
238000001746 injection moulding Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
239000000155 melt Substances 0.000 description 1
229910001172 neodymium magnet Inorganic materials 0.000 description 1
238000005121 nitriding Methods 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
238000004663 powder metallurgy Methods 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000005096 rolling process Methods 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000007493 shaping process Methods 0.000 description 1
229920002545 silicone oil Polymers 0.000 description 1
238000000365 skull melting Methods 0.000 description 1
239000000243 solution Substances 0.000 description 1
230000001629 suppression Effects 0.000 description 1
229910052720 vanadium Inorganic materials 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
238000005303 weighing Methods 0.000 description 1

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
- H01F1/0306—Metals or alloys, e.g. LAVES phase alloys of the MgCu2-type
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together sintered
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
- H01F1/0558—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together bonded together
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/08—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/083—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together in a bonding agent
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/09—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials mixtures of metallic and non-metallic particles; metallic particles having oxide skin
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
- H01F1/26—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Inorganic Chemistry (AREA)
Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)
Dispersion Chemistry (AREA)
Hard Magnetic Materials (AREA)

TW83110196A 1993-11-11 1994-11-04 TW294815B (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP28271793		1993-11-11

Publications (1)

Publication Number	Publication Date
TW294815B true TW294815B (fr)	1997-01-01

Family

ID=17656128

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
TW83110196A TW294815B (fr)	1993-11-11	1994-11-04

Country Status (3)

Country	Link
EP (1)	EP0654801B1 (fr)
DE (1)	DE69424845T2 (fr)
TW (1)	TW294815B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2752641B1 (fr) *	1996-08-20	1998-12-04	Rhone Poulenc Chimie	Produit a proprietes magnetiques, son procede de preparation et aimant obtenu a partir de ce produit
WO2003085683A1 (fr) *	2002-04-09	2003-10-16	Aichi Steel Corporation	Aimant agglomere anisotrope de terre rare composite, compose pour un aimant agglomere anisotrope de terre rare composite, et procede de preparation de ce dernier
US7357880B2 (en) *	2003-10-10	2008-04-15	Aichi Steel Corporation	Composite rare-earth anisotropic bonded magnet, composite rare-earth anisotropic bonded magnet compound, and methods for their production
CN120048608A (zh) *	2025-04-27	2025-05-27	横店集团东磁股份有限公司	一种防盗标签用磁体及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS58108708A (ja) *	1981-12-23	1983-06-28	Tohoku Metal Ind Ltd	希土類永久磁石材料
JPS59106106A (ja) *	1982-12-10	1984-06-19	Toshiba Corp	永久磁石の製造方法
JPH01274401A (ja) *	1988-04-26	1989-11-02	Tdk Corp	永久磁石
GB2232165A (en) *	1989-03-22	1990-12-05	Cookson Group Plc	Magnetic compositions
EP0558691B1 (fr) *	1991-03-08	1994-11-30	BASF Aktiengesellschaft	Categorie nouvelle de materiaux magnetiques, leur production et leur utilisation

1994
- 1994-09-22 EP EP19940114972 patent/EP0654801B1/fr not_active Expired - Lifetime
- 1994-09-22 DE DE1994624845 patent/DE69424845T2/de not_active Expired - Lifetime
- 1994-11-04 TW TW83110196A patent/TW294815B/zh not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0654801A3 (fr)	1995-07-05
DE69424845D1 (de)	2000-07-13
EP0654801B1 (fr)	2000-06-07
EP0654801A2 (fr)	1995-05-24
DE69424845T2 (de)	2000-12-07

Legal Events

Date	Code	Title	Description
2014-12-11	MK4A	Expiration of patent term of an invention patent

Publication	Publication Date	Title
JP6330907B2 (ja)	2018-05-30	希土類磁石成形体の製造方法
EP0633581B1 (fr)	1998-04-22	Matériaux R-Fe-B pour aimants permanents et leurs procédé de fabrication
JP6424664B2 (ja)	2018-11-21	希土類系永久磁石
US5930582A (en)	1999-07-27	Rare earth-iron-boron permanent magnet and method for the preparation thereof
US20050145301A1 (en)	2005-07-07	Composite rare earth anisotropic bonded magnet, compound for composite rare earth anisotropic bonded magnet, and method for production thereof
US6139765A (en)	2000-10-31	Magnetic powder, permanent magnet produced therefrom and process for producing them
TW505928B (en)	2002-10-11	Magnetic powder and isotropic bonded magnet
US8182618B2 (en)	2012-05-22	Rare earth sintered magnet and method for producing same
JP3148581B2 (ja)	2001-03-19	耐食性のすぐれたＲ−Ｆｅ−Ｂ−Ｃ系永久磁石材料の製造方法
WO2005043558A1 (fr)	2005-05-12	Procede de production d'un aimant de terre rare frittee
JP4282016B2 (ja)	2009-06-17	希土類焼結磁石の製造方法
JPH0551656B2 (fr)	1993-08-03
JP3367726B2 (ja)	2003-01-20	永久磁石の製造方法
JPH0831626A (ja)	1996-02-02	希土類磁性粉末、その永久磁石及びこれらの製造方法
JP3474684B2 (ja)	2003-12-08	耐食性のすぐれた高性能Ｒ−Ｆｅ−Ｂ−Ｃ系磁石材料
JPH0685369B2 (ja)	1994-10-26	永久磁石の製造方法
JP5103428B2 (ja)	2012-12-19	希土類焼結磁石製造方法
JPH0547533A (ja)	1993-02-26	焼結永久磁石およびその製造方法
JP4282002B2 (ja)	2009-06-17	Ｒ−ｔ−ｂ系焼結磁石用合金粉末、その製造方法及びｒ−ｔ−ｂ系焼結磁石の製造方法
JP2745042B2 (ja)	1998-04-28	希土類−鉄−ボロン系合金薄板、合金粉末及び永久磁石の製造方法
JPH07211570A (ja)	1995-08-11	希土類永久磁石の製造方法
JPH09312230A (ja)	1997-12-02	異方性ボンド磁石の製造方法
JP3148573B2 (ja)	2001-03-19	耐食性のすぐれたＲ−Ｆｅ−Ｂ−Ｃ系永久磁石材料の製造方法
JP3300570B2 (ja)	2002-07-08	耐食性のすぐれたＲ−Ｆｅ−Ｂ−Ｃ系永久磁石材料の製造方法
JPH01290205A (ja)	1989-11-22	高分子複合型希土類磁石の製造方法