JP3652816B2 - 耐食性永久磁石及びその製造方法 - Google Patents
耐食性永久磁石及びその製造方法 Download PDFInfo
- Publication number
- JP3652816B2 JP3652816B2 JP26148296A JP26148296A JP3652816B2 JP 3652816 B2 JP3652816 B2 JP 3652816B2 JP 26148296 A JP26148296 A JP 26148296A JP 26148296 A JP26148296 A JP 26148296A JP 3652816 B2 JP3652816 B2 JP 3652816B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- permanent magnet
- magnet
- corrosion
- 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.)
- Expired - Lifetime
Links
- 238000005260 corrosion Methods 0.000 title claims description 36
- 230000007797 corrosion Effects 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000010408 film Substances 0.000 claims description 52
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 26
- 238000000576 coating method Methods 0.000 claims description 25
- 239000011248 coating agent Substances 0.000 claims description 24
- 239000011247 coating layer Substances 0.000 claims description 23
- 239000010409 thin film Substances 0.000 claims description 8
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 description 25
- 238000007733 ion plating Methods 0.000 description 11
- 239000000758 substrate Substances 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 229910052761 rare earth metal Inorganic materials 0.000 description 9
- 239000007921 spray Substances 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000002585 base Substances 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- 238000007747 plating Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 150000002910 rare earth metals Chemical class 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- 229910052777 Praseodymium Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- 229910052771 Terbium Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical group 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910000722 Didymium Inorganic materials 0.000 description 1
- 241000224487 Didymium Species 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052765 Lutetium Inorganic materials 0.000 description 1
- 229910001122 Mischmetal Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- JZQOJFLIJNRDHK-CMDGGOBGSA-N alpha-irone Chemical compound CC1CC=C(C)C(\C=C\C(C)=O)C1(C)C JZQOJFLIJNRDHK-CMDGGOBGSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Physical Vapour Deposition (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26148296A JP3652816B2 (ja) | 1995-09-21 | 1996-09-09 | 耐食性永久磁石及びその製造方法 |
| EP97933019A EP0923087B1 (en) | 1996-08-30 | 1997-07-25 | Corrosion-resistant permanent magnet and method for manufacturing the same |
| CNB971981345A CN1138285C (zh) | 1996-08-30 | 1997-07-25 | 耐蚀永磁体及其制备方法 |
| DE69728547T DE69728547T2 (de) | 1996-08-30 | 1997-07-25 | Korrosionsfeste dauermagnet und herstellungsverfahren |
| US09/242,825 US6211762B1 (en) | 1996-08-30 | 1997-07-25 | Corrosion-resistant permanent magnet and method for manufacturing the same |
| PCT/JP1997/002579 WO1998009300A1 (fr) | 1996-08-30 | 1997-07-25 | Aimant permanent resistant a la corrosion et procede de fabrication dudit aimant |
| KR1019997001596A KR20000035885A (ko) | 1996-08-30 | 1997-07-25 | 내식성 영구 자석 및 그 제조 방법 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26913495 | 1995-09-21 | ||
| JP7-269134 | 1995-09-21 | ||
| JP26148296A JP3652816B2 (ja) | 1995-09-21 | 1996-09-09 | 耐食性永久磁石及びその製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH09148112A JPH09148112A (ja) | 1997-06-06 |
| JPH09148112A5 JPH09148112A5 (enExample) | 2004-08-26 |
| JP3652816B2 true JP3652816B2 (ja) | 2005-05-25 |
Family
ID=26545098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26148296A Expired - Lifetime JP3652816B2 (ja) | 1995-09-21 | 1996-09-09 | 耐食性永久磁石及びその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3652816B2 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419231B (zh) * | 2017-07-26 | 2019-11-15 | 沈阳广泰真空科技有限公司 | 钕铁硼永磁防腐绝缘镀层的制备方法及具有该镀层的钕铁硼永磁体 |
| CN111218655A (zh) * | 2020-03-10 | 2020-06-02 | 沈阳中北真空设备有限公司 | 一种钕铁硼永磁器件表面涂层设备及表面涂层方法 |
-
1996
- 1996-09-09 JP JP26148296A patent/JP3652816B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09148112A (ja) | 1997-06-06 |
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