JPS5339709A - Preparation of magnetic recording medium - Google Patents
Preparation of magnetic recording mediumInfo
- Publication number
- JPS5339709A JPS5339709A JP11453976A JP11453976A JPS5339709A JP S5339709 A JPS5339709 A JP S5339709A JP 11453976 A JP11453976 A JP 11453976A JP 11453976 A JP11453976 A JP 11453976A JP S5339709 A JPS5339709 A JP S5339709A
- Authority
- JP
- Japan
- Prior art keywords
- preparation
- recording medium
- magnetic recording
- αfe
- shortening
- 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.)
- Pending
Links
Abstract
PURPOSE: To improve working efficiency to reduce electric power consumption by shortening the time in the steps of reduction and oxidation of αFe2O3 type oxides for magnetic disc by converting reducing atmosphere to oxidizing atmosphere after gas replacement or vacuum evacuation.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11453976A JPS5339709A (en) | 1976-09-24 | 1976-09-24 | Preparation of magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11453976A JPS5339709A (en) | 1976-09-24 | 1976-09-24 | Preparation of magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5339709A true JPS5339709A (en) | 1978-04-11 |
Family
ID=14640280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11453976A Pending JPS5339709A (en) | 1976-09-24 | 1976-09-24 | Preparation of magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5339709A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013505360A (en) * | 2009-09-23 | 2013-02-14 | ゲーカーエヌ・ジンター・メタルス・ホールディング・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | Method for producing a green compact |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5051512A (en) * | 1973-09-10 | 1975-05-08 |
-
1976
- 1976-09-24 JP JP11453976A patent/JPS5339709A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5051512A (en) * | 1973-09-10 | 1975-05-08 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013505360A (en) * | 2009-09-23 | 2013-02-14 | ゲーカーエヌ・ジンター・メタルス・ホールディング・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | Method for producing a green compact |
US9662708B2 (en) | 2009-09-23 | 2017-05-30 | Gkn Sinter Metals Holding Gmbh | Method for producing a green compact |
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