JPS62112702A - 酸化皮膜を有する強磁性金属粉末の製造法 - Google Patents
酸化皮膜を有する強磁性金属粉末の製造法Info
- Publication number
- JPS62112702A JPS62112702A JP60251126A JP25112685A JPS62112702A JP S62112702 A JPS62112702 A JP S62112702A JP 60251126 A JP60251126 A JP 60251126A JP 25112685 A JP25112685 A JP 25112685A JP S62112702 A JPS62112702 A JP S62112702A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- powder
- oxygen
- oxide film
- heating
- 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
Landscapes
- Powder Metallurgy (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
- Paints Or Removers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60251126A JPS62112702A (ja) | 1985-11-09 | 1985-11-09 | 酸化皮膜を有する強磁性金属粉末の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60251126A JPS62112702A (ja) | 1985-11-09 | 1985-11-09 | 酸化皮膜を有する強磁性金属粉末の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62112702A true JPS62112702A (ja) | 1987-05-23 |
| JPH0246642B2 JPH0246642B2 (enExample) | 1990-10-16 |
Family
ID=17218054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60251126A Granted JPS62112702A (ja) | 1985-11-09 | 1985-11-09 | 酸化皮膜を有する強磁性金属粉末の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62112702A (enExample) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6451604A (en) * | 1987-08-24 | 1989-02-27 | Chisso Corp | Manufacture of ferromagnetic metallic powder with oxide film |
| US4902357A (en) * | 1986-06-27 | 1990-02-20 | Namiki Precision Jewel Co., Ltd. | Method of manufacture of permanent magnets |
| JPH03169001A (ja) * | 1989-11-29 | 1991-07-22 | Nippon Steel Corp | 金属磁性粉末の乾式安定化方法 |
| US5062904A (en) * | 1989-10-03 | 1991-11-05 | Fuji Photo Film Co., Ltd. | Treatment of ferromagnetic metal powders and magnetic recording media using the same |
| US5129964A (en) * | 1989-09-06 | 1992-07-14 | Sps Technologies, Inc. | Process for making nd-b-fe type magnets utilizing a hydrogen and oxygen treatment |
| US5244510A (en) * | 1989-06-13 | 1993-09-14 | Yakov Bogatin | Magnetic materials and process for producing the same |
| US5735969A (en) * | 1996-03-07 | 1998-04-07 | Imation Corp. | Method of producing acicular magnetic alloy particles |
| JP2009256717A (ja) * | 2008-04-15 | 2009-11-05 | Toda Kogyo Corp | 磁気記録用金属磁性粒子粉末の製造法、並びに磁気記録媒体 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5611724A (en) * | 1979-07-07 | 1981-02-05 | Kunio Narita | *matsutake* *mushroom* cultivation method |
| JPS5852522A (ja) * | 1981-08-12 | 1983-03-28 | ユニリ−バ−・ナ−ムロ−ゼ・ベンノ−トシヤ−プ | 物品、特に魚の秤量選別装置 |
| JPS61154112A (ja) * | 1984-12-27 | 1986-07-12 | Mitsui Toatsu Chem Inc | 強磁性金属微粒子の安定化方法 |
-
1985
- 1985-11-09 JP JP60251126A patent/JPS62112702A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5611724A (en) * | 1979-07-07 | 1981-02-05 | Kunio Narita | *matsutake* *mushroom* cultivation method |
| JPS5852522A (ja) * | 1981-08-12 | 1983-03-28 | ユニリ−バ−・ナ−ムロ−ゼ・ベンノ−トシヤ−プ | 物品、特に魚の秤量選別装置 |
| JPS61154112A (ja) * | 1984-12-27 | 1986-07-12 | Mitsui Toatsu Chem Inc | 強磁性金属微粒子の安定化方法 |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4902357A (en) * | 1986-06-27 | 1990-02-20 | Namiki Precision Jewel Co., Ltd. | Method of manufacture of permanent magnets |
| JPS6451604A (en) * | 1987-08-24 | 1989-02-27 | Chisso Corp | Manufacture of ferromagnetic metallic powder with oxide film |
| US4909865A (en) * | 1987-08-24 | 1990-03-20 | Chisso Corporation | Process for producing a ferromagnetic metal powder having an oxidized coating |
| US5244510A (en) * | 1989-06-13 | 1993-09-14 | Yakov Bogatin | Magnetic materials and process for producing the same |
| US5129964A (en) * | 1989-09-06 | 1992-07-14 | Sps Technologies, Inc. | Process for making nd-b-fe type magnets utilizing a hydrogen and oxygen treatment |
| US5286307A (en) * | 1989-09-06 | 1994-02-15 | Sps Technologies, Inc. | Process for making Nd-B-Fe type magnets utilizing a hydrogen and oxygen treatment |
| US5062904A (en) * | 1989-10-03 | 1991-11-05 | Fuji Photo Film Co., Ltd. | Treatment of ferromagnetic metal powders and magnetic recording media using the same |
| JPH03169001A (ja) * | 1989-11-29 | 1991-07-22 | Nippon Steel Corp | 金属磁性粉末の乾式安定化方法 |
| US5735969A (en) * | 1996-03-07 | 1998-04-07 | Imation Corp. | Method of producing acicular magnetic alloy particles |
| JP2009256717A (ja) * | 2008-04-15 | 2009-11-05 | Toda Kogyo Corp | 磁気記録用金属磁性粒子粉末の製造法、並びに磁気記録媒体 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0246642B2 (enExample) | 1990-10-16 |
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