CN102027552A - 稀土类永久磁铁 - Google Patents
稀土类永久磁铁 Download PDFInfo
- Publication number
- CN102027552A CN102027552A CN2008801291810A CN200880129181A CN102027552A CN 102027552 A CN102027552 A CN 102027552A CN 2008801291810 A CN2008801291810 A CN 2008801291810A CN 200880129181 A CN200880129181 A CN 200880129181A CN 102027552 A CN102027552 A CN 102027552A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- plated film
- rare earth
- earth element
- thickness
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 82
- 150000002910 rare earth metals Chemical class 0.000 title abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 105
- 239000000956 alloy Substances 0.000 claims abstract description 105
- 229910008433 SnCU Inorganic materials 0.000 claims description 99
- 239000011248 coating agent Substances 0.000 claims description 89
- 238000000576 coating method Methods 0.000 claims description 89
- 239000007767 bonding agent Substances 0.000 claims description 51
- 229920001296 polysiloxane Polymers 0.000 claims description 15
- 238000003475 lamination Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000010949 copper Substances 0.000 abstract description 80
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 61
- 238000012360 testing method Methods 0.000 abstract description 52
- 239000000203 mixture Substances 0.000 abstract description 21
- 229910052802 copper Inorganic materials 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 3
- 229910020888 Sn-Cu Inorganic materials 0.000 abstract 4
- 229910019204 Sn—Cu Inorganic materials 0.000 abstract 4
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- 239000013464 silicone adhesive Substances 0.000 abstract 1
- 238000007747 plating Methods 0.000 description 90
- 238000000034 method Methods 0.000 description 57
- 239000010410 layer Substances 0.000 description 50
- 239000000853 adhesive Substances 0.000 description 43
- 230000001070 adhesive effect Effects 0.000 description 43
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 26
- 238000010008 shearing Methods 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 23
- 230000005291 magnetic effect Effects 0.000 description 23
- 238000007906 compression Methods 0.000 description 22
- 230000006835 compression Effects 0.000 description 22
- 239000002585 base Substances 0.000 description 21
- 238000005406 washing Methods 0.000 description 16
- 229910018484 Ni—Cu—Ni Inorganic materials 0.000 description 15
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229940005657 pyrophosphoric acid Drugs 0.000 description 13
- 239000000758 substrate Substances 0.000 description 13
- 238000005260 corrosion Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 10
- 230000009467 reduction Effects 0.000 description 10
- 239000002253 acid Substances 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000001035 drying Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000001723 curing Methods 0.000 description 8
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000002203 pretreatment Methods 0.000 description 7
- 230000003746 surface roughness Effects 0.000 description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 238000007598 dipping method Methods 0.000 description 6
- 238000005498 polishing Methods 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 229910052779 Neodymium Inorganic materials 0.000 description 4
- 229910018054 Ni-Cu Inorganic materials 0.000 description 4
- 229910018481 Ni—Cu Inorganic materials 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 238000012790 confirmation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 231100000241 scar Toxicity 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 229910052692 Dysprosium Inorganic materials 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 239000004327 boric acid Substances 0.000 description 3
- 238000005660 chlorination reaction Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000003302 ferromagnetic material Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 229910000765 intermetallic Inorganic materials 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000005201 scrubbing Methods 0.000 description 3
- 238000010301 surface-oxidation reaction Methods 0.000 description 3
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- GEZAUFNYMZVOFV-UHFFFAOYSA-J 2-[(2-oxo-1,3,2$l^{5},4$l^{2}-dioxaphosphastannetan-2-yl)oxy]-1,3,2$l^{5},4$l^{2}-dioxaphosphastannetane 2-oxide Chemical compound [Sn+2].[Sn+2].[O-]P([O-])(=O)OP([O-])([O-])=O GEZAUFNYMZVOFV-UHFFFAOYSA-J 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 239000003093 cationic surfactant Substances 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- 238000006757 chemical reactions by type Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920000137 polyphosphoric acid Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910002482 Cu–Ni Inorganic materials 0.000 description 1
- 229910017827 Cu—Fe Inorganic materials 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 239000013556 antirust agent Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- DOBRDRYODQBAMW-UHFFFAOYSA-N copper(i) cyanide Chemical compound [Cu+].N#[C-] DOBRDRYODQBAMW-UHFFFAOYSA-N 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000000866 electrolytic etching Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- DCYOBGZUOMKFPA-UHFFFAOYSA-N iron(2+);iron(3+);octadecacyanide Chemical compound [Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCYOBGZUOMKFPA-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 229940085991 phosphate ion Drugs 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 231100000004 severe toxicity Toxicity 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 235000011006 sodium potassium tartrate Nutrition 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 1
- 235000019801 trisodium phosphate Nutrition 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- -1 vibrating mill Substances 0.000 description 1
Images
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
- H01F1/032—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
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—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
- H01F41/02—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 for manufacturing cores, coils, or magnets
- H01F41/0253—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 for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/026—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 for manufacturing cores, coils, or magnets for manufacturing permanent magnets protecting methods against environmental influences, e.g. oxygen, by surface treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/32—Composite [nonstructural laminate] of inorganic material having metal-compound-containing layer and having defined magnetic layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/32—Composite [nonstructural laminate] of inorganic material having metal-compound-containing layer and having defined magnetic layer
- Y10T428/325—Magnetic layer next to second metal compound-containing layer
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Electroplating Methods And Accessories (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2008/058873 WO2009139055A1 (ja) | 2008-05-14 | 2008-05-14 | 希土類系永久磁石 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102027552A true CN102027552A (zh) | 2011-04-20 |
CN102027552B CN102027552B (zh) | 2013-01-09 |
Family
ID=40559919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008801291810A Active CN102027552B (zh) | 2008-05-14 | 2008-05-14 | 稀土类永久磁铁 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9287027B2 (zh) |
JP (1) | JP4241906B1 (zh) |
KR (1) | KR101555730B1 (zh) |
CN (1) | CN102027552B (zh) |
WO (1) | WO2009139055A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105405562A (zh) * | 2015-12-01 | 2016-03-16 | 中磁科技股份有限公司 | 钕铁硼磁体 |
CN109686523A (zh) * | 2017-10-18 | 2019-04-26 | Tdk株式会社 | 磁铁接合体 |
CN112725751A (zh) * | 2020-12-16 | 2021-04-30 | 太原理工大学 | 一种超薄钕铁硼永磁体表面防护涂层的制备方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10423003B2 (en) * | 2012-11-29 | 2019-09-24 | Nidec Sankyo Corporation | Photographing optical device |
US20140183148A1 (en) * | 2012-12-28 | 2014-07-03 | Allure Home Creation Co., Inc. | Magnetic Cookware Stands |
US9905345B2 (en) | 2015-09-21 | 2018-02-27 | Apple Inc. | Magnet electroplating |
JP6488976B2 (ja) * | 2015-10-07 | 2019-03-27 | Tdk株式会社 | R−t−b系焼結磁石 |
US10553352B2 (en) * | 2016-03-18 | 2020-02-04 | Apple Inc. | Corrosion resistant magnet assembly |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2686537B2 (ja) | 1988-06-22 | 1997-12-08 | ティーディーケイ株式会社 | 永久磁石およびその製造方法 |
JPH08154351A (ja) * | 1994-11-29 | 1996-06-11 | Daido Steel Co Ltd | マグネットロータ |
DE60014780T2 (de) * | 1999-06-30 | 2005-03-10 | Shin-Etsu Chemical Co., Ltd. | Auf seltenen Erden basierender gesinterter Dauermagnet und mit einem solchen Magnet versehener Synchronmotor |
JP4336446B2 (ja) * | 1999-06-30 | 2009-09-30 | 信越化学工業株式会社 | 希土類焼結永久磁石焼結体と永久磁石型同期モータ |
JP2002006562A (ja) * | 2000-06-27 | 2002-01-09 | Konica Corp | 画像形成装置 |
WO2002004714A1 (en) * | 2000-07-07 | 2002-01-17 | Hitachi Metals, Ltd. | Electrolytic copper-plated r-t-b magnet and plating method thereof |
JP2002329627A (ja) * | 2001-04-27 | 2002-11-15 | Sumitomo Special Metals Co Ltd | 希土類系永久磁石およびその製造方法 |
JP4595237B2 (ja) | 2001-04-27 | 2010-12-08 | 日立金属株式会社 | 銅めっき液および銅めっき方法 |
JP2003193273A (ja) | 2001-12-21 | 2003-07-09 | Sumitomo Special Metals Co Ltd | ニッケルめっき被膜の表面処理方法 |
JP4003067B2 (ja) * | 2001-12-28 | 2007-11-07 | 信越化学工業株式会社 | 希土類焼結磁石 |
CN1934660A (zh) * | 2004-06-30 | 2007-03-21 | 信越化学工业株式会社 | 耐腐蚀的稀土磁体及其制造方法 |
WO2006016570A1 (ja) | 2004-08-10 | 2006-02-16 | Neomax Co., Ltd. | 銅めっき被膜を表面に有する希土類系永久磁石の製造方法 |
JP4180049B2 (ja) * | 2004-12-24 | 2008-11-12 | Tdk株式会社 | R−t−b系永久磁石 |
CN101405435B (zh) | 2006-02-07 | 2010-11-03 | 日立金属株式会社 | 表面具有镀铜覆膜的稀土类永久磁铁的制造方法 |
JP4770553B2 (ja) * | 2006-03-30 | 2011-09-14 | Tdk株式会社 | 磁石およびその製造方法 |
JP4770556B2 (ja) | 2006-03-30 | 2011-09-14 | Tdk株式会社 | 磁石 |
JP4363480B2 (ja) * | 2006-11-15 | 2009-11-11 | 日立金属株式会社 | 希土類系永久磁石 |
-
2008
- 2008-05-14 JP JP2008548380A patent/JP4241906B1/ja active Active
- 2008-05-14 US US12/990,341 patent/US9287027B2/en active Active
- 2008-05-14 CN CN2008801291810A patent/CN102027552B/zh active Active
- 2008-05-14 WO PCT/JP2008/058873 patent/WO2009139055A1/ja active Application Filing
- 2008-05-14 KR KR1020107028129A patent/KR101555730B1/ko active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105405562A (zh) * | 2015-12-01 | 2016-03-16 | 中磁科技股份有限公司 | 钕铁硼磁体 |
CN109686523A (zh) * | 2017-10-18 | 2019-04-26 | Tdk株式会社 | 磁铁接合体 |
CN109686523B (zh) * | 2017-10-18 | 2021-07-09 | Tdk株式会社 | 磁铁接合体 |
CN112725751A (zh) * | 2020-12-16 | 2021-04-30 | 太原理工大学 | 一种超薄钕铁硼永磁体表面防护涂层的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
KR101555730B1 (ko) | 2015-09-25 |
US9287027B2 (en) | 2016-03-15 |
JP4241906B1 (ja) | 2009-03-18 |
KR20110021890A (ko) | 2011-03-04 |
JPWO2009139055A1 (ja) | 2011-09-15 |
CN102027552B (zh) | 2013-01-09 |
WO2009139055A1 (ja) | 2009-11-19 |
US20110037549A1 (en) | 2011-02-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102027552B (zh) | 稀土类永久磁铁 | |
TW201231733A (en) | Surface treated copper foil | |
JPH02310395A (ja) | ネオジウム―鉄―ボロン系焼結磁石の防食方法 | |
JP3972111B2 (ja) | 銅めっき被膜を表面に有する希土類系永久磁石の製造方法 | |
WO2002004714A1 (en) | Electrolytic copper-plated r-t-b magnet and plating method thereof | |
JP4033241B2 (ja) | 銅めっき被膜を表面に有する希土類系永久磁石の製造方法 | |
CN101724830B (zh) | 用于永磁材料的镀镍液及其对永磁材料的表面处理方法 | |
Zhang et al. | Corrosion behavior of electroless Ni-P/Ni-B coating on magnesium alloy AZ91D in NaCl environment | |
JP4650275B2 (ja) | 銅めっき被膜を表面に有する希土類系永久磁石 | |
JP4363480B2 (ja) | 希土類系永久磁石 | |
CN102400145B (zh) | 一种钕铁硼永磁材料的机械镀锌铝镍的表面处理方法 | |
CN102400144B (zh) | 一种钕铁硼永磁材料的机械镀锌镍的表面处理方法 | |
JP2004039917A (ja) | 永久磁石の製造方法及び永久磁石 | |
TW201531174A (zh) | 複合金屬箔、具有載體之複合金屬箔、及使用此等所得之貼金屬積層板及印刷配線板 | |
JP2002332592A (ja) | R−t−b系磁石及びその電解銅めっき方法 | |
JP3935092B2 (ja) | R−tm−b系永久磁石 | |
JPH01268004A (ja) | 耐食性を改善したr−tm−b系永久磁石及び製造方法 | |
JP3796567B2 (ja) | R−Fe−B系永久磁石及びその製造方法 | |
JP3248982B2 (ja) | 永久磁石およびその製造方法 | |
JP3650141B2 (ja) | 永久磁石 | |
JPS5836071B2 (ja) | 銀メッキ鉄及び鉄合金の製造方法 | |
CN1840326B (zh) | 层状产品 | |
CN105506694A (zh) | 钕铁硼电镀层的防护工艺 | |
JP2003249405A (ja) | 希土類永久磁石及びその表面処理方法 | |
Tan et al. | Electroplating Nickel-Iron Alloy on the Diamond Surface |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110420 Assignee: Beijing Jingci Magnet Co., Ltd. Assignor: Hitachi Metals Co., Ltd. Contract record no.: 2013990000374 Denomination of invention: R-T-B based rare earth element permanent magnet and magnet composition Granted publication date: 20130109 License type: Common License Record date: 20130703 Application publication date: 20110420 Assignee: Antai Science and Technology Co., Ltd. Assignor: Hitachi Metals Co., Ltd. Contract record no.: 2013990000365 Denomination of invention: R-T-B based rare earth element permanent magnet and magnet composition Granted publication date: 20130109 License type: Common License Record date: 20130701 Application publication date: 20110420 Assignee: Beijing Zhongke Sanhuan High-Tech Co., Ltd. Assignor: Hitachi Metals Co., Ltd. Contract record no.: 2013990000364 Denomination of invention: R-T-B based rare earth element permanent magnet and magnet composition Granted publication date: 20130109 License type: Common License Record date: 20130701 Application publication date: 20110420 Assignee: Beijing Jingci Magnet Co., Ltd. Assignor: Hitachi Metals Co., Ltd. Contract record no.: 2013990000374 Denomination of invention: R-T-B based rare earth element permanent magnet and magnet composition Granted publication date: 20130109 License type: Common License Record date: 20130703 Application publication date: 20110420 Assignee: Antai Science and Technology Co., Ltd. Assignor: Hitachi Metals Co., Ltd. Contract record no.: 2013990000365 Denomination of invention: R-T-B based rare earth element permanent magnet and magnet composition Granted publication date: 20130109 License type: Common License Record date: 20130701 Application publication date: 20110420 Assignee: Beijing Zhongke Sanhuan High-Tech Co., Ltd. Assignor: Hitachi Metals Co., Ltd. Contract record no.: 2013990000364 Denomination of invention: R-T-B based rare earth element permanent magnet and magnet composition Granted publication date: 20130109 License type: Common License Record date: 20130701 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110420 Assignee: Ningbo Yunsheng Co., Ltd. Assignor: Hitachi Metals Co., Ltd. Contract record no.: 2014990000031 Denomination of invention: R-T-B based rare earth element permanent magnet and magnet composition Granted publication date: 20130109 License type: Common License Record date: 20140114 Application publication date: 20110420 Assignee: Ningbo Yunsheng Co., Ltd. Assignor: Hitachi Metals Co., Ltd. Contract record no.: 2014990000031 Denomination of invention: R-T-B based rare earth element permanent magnet and magnet composition Granted publication date: 20130109 License type: Common License Record date: 20140114 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: Japan Tokyo port harbor 2 chome No. 70 Patentee after: Hitachi Metals Co., Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Metals Co., Ltd. Address after: Japan Tokyo port harbor 2 chome No. 70 Patentee after: Hitachi Metals Co., Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Metals Co., Ltd. |
|
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110420 Assignee: Hitachi metal ring Ci material (Nantong) Co. Ltd. Assignor: Hitachi Metals Contract record no.: 2017990000034 Denomination of invention: R-T-B based rare earth element permanent magnet and magnet composition Granted publication date: 20130109 License type: Common License Record date: 20170209 Application publication date: 20110420 Assignee: Hitachi metal ring Ci material (Nantong) Co. Ltd. Assignor: Hitachi Metals Contract record no.: 2017990000034 Denomination of invention: R-T-B based rare earth element permanent magnet and magnet composition Granted publication date: 20130109 License type: Common License Record date: 20170209 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CI03 | Correction of invention patent |
Correction item: A transferee of the entry into force of the contract Correct: Hitachi metal ring magnets (Nantong) Co. Ltd. False: Hitachi metal ring Ci material (Nantong) Co. Ltd. Number: 11 Volume: 33 |
|
CI03 | Correction of invention patent |