JP2005076045A5 - - Google Patents
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- Publication number
- JP2005076045A5 JP2005076045A5 JP2003304477A JP2003304477A JP2005076045A5 JP 2005076045 A5 JP2005076045 A5 JP 2005076045A5 JP 2003304477 A JP2003304477 A JP 2003304477A JP 2003304477 A JP2003304477 A JP 2003304477A JP 2005076045 A5 JP2005076045 A5 JP 2005076045A5
- Authority
- JP
- Japan
- Prior art keywords
- alloy powder
- ppm
- rare earth
- fine
- oxygen
- 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
- 239000000843 powder Substances 0.000 claims description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- 239000000956 alloy Substances 0.000 claims description 14
- 229910045601 alloy Inorganic materials 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 238000010298 pulverizing process Methods 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 claims 3
- 150000002910 rare earth metals Chemical class 0.000 claims 2
- 238000005245 sintering Methods 0.000 claims 2
- 229910052723 transition metal Inorganic materials 0.000 claims 2
- 238000000227 grinding Methods 0.000 claims 1
- 238000003801 milling Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003304477A JP4247977B2 (ja) | 2003-08-28 | 2003-08-28 | 希土類永久磁石の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003304477A JP4247977B2 (ja) | 2003-08-28 | 2003-08-28 | 希土類永久磁石の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005076045A JP2005076045A (ja) | 2005-03-24 |
| JP2005076045A5 true JP2005076045A5 (https=) | 2006-10-12 |
| JP4247977B2 JP4247977B2 (ja) | 2009-04-02 |
Family
ID=34408153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003304477A Expired - Lifetime JP4247977B2 (ja) | 2003-08-28 | 2003-08-28 | 希土類永久磁石の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4247977B2 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283100A (ja) * | 2005-03-31 | 2006-10-19 | Tdk Corp | 希土類合金粉成形体の切断方法 |
| JP4640585B2 (ja) * | 2005-03-31 | 2011-03-02 | Ｔｄｋ株式会社 | 希土類磁石の製造方法 |
| CN107390477B (zh) | 2011-10-24 | 2020-02-14 | 株式会社尼康 | 照明系统、曝光装置及制造、图像形成、照明与曝光方法 |
-
2003
- 2003-08-28 JP JP2003304477A patent/JP4247977B2/ja not_active Expired - Lifetime
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