HK1027207A1 - Corrosion-resistant permanent magnet and method for producing the same. - Google Patents
Corrosion-resistant permanent magnet and method for producing the same.Info
- Publication number
- HK1027207A1 HK1027207A1 HK00106159A HK00106159A HK1027207A1 HK 1027207 A1 HK1027207 A1 HK 1027207A1 HK 00106159 A HK00106159 A HK 00106159A HK 00106159 A HK00106159 A HK 00106159A HK 1027207 A1 HK1027207 A1 HK 1027207A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- corrosion
- producing
- same
- permanent magnet
- resistant permanent
- Prior art date
Links
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)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25651698 | 1998-09-10 | ||
PCT/JP1999/004915 WO2000016347A1 (en) | 1998-09-10 | 1999-09-10 | Corrosion-resistant permanent magnet and method for producing the same |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1027207A1 true HK1027207A1 (en) | 2001-01-05 |
Family
ID=17293719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK00106159A HK1027207A1 (en) | 1998-09-10 | 2000-09-28 | Corrosion-resistant permanent magnet and method for producing the same. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1032000B1 (en) |
DE (1) | DE69918660T2 (en) |
HK (1) | HK1027207A1 (en) |
WO (1) | WO2000016347A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0300771D0 (en) | 2003-01-14 | 2003-02-12 | Rolls Royce Plc | Rare earth-transmission metal alloy articles |
CN104674169A (en) * | 2015-02-12 | 2015-06-03 | 烟台首钢磁性材料股份有限公司 | Method for electroplating surface of permanent magnet neodymium iron boron magnetic steel with composite coating |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1007847B (en) * | 1984-12-24 | 1990-05-02 | 住友特殊金属株式会社 | Process for producing magnets having improved corrosion resistance |
JPH07249509A (en) * | 1994-03-08 | 1995-09-26 | Sumitomo Special Metals Co Ltd | Corrosion-resistant permanent magnet and its manufacture |
JPH07302705A (en) * | 1994-05-09 | 1995-11-14 | Daido Steel Co Ltd | Corrosion-resistant rare earth magnet and its manufacture |
-
1999
- 1999-09-10 WO PCT/JP1999/004915 patent/WO2000016347A1/en active IP Right Grant
- 1999-09-10 EP EP99943247A patent/EP1032000B1/en not_active Expired - Lifetime
- 1999-09-10 DE DE69918660T patent/DE69918660T2/en not_active Expired - Lifetime
-
2000
- 2000-09-28 HK HK00106159A patent/HK1027207A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1032000B1 (en) | 2004-07-14 |
EP1032000A1 (en) | 2000-08-30 |
DE69918660D1 (en) | 2004-08-19 |
WO2000016347A1 (en) | 2000-03-23 |
EP1032000A4 (en) | 2003-05-02 |
DE69918660T2 (en) | 2005-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CHPA | Change of a particular in the register (except of change of ownership) | ||
PE | Patent expired |
Effective date: 20190909 |