JPH0569776B2 - - Google Patents
Info
- Publication number
- JPH0569776B2 JPH0569776B2 JP9191990A JP9191990A JPH0569776B2 JP H0569776 B2 JPH0569776 B2 JP H0569776B2 JP 9191990 A JP9191990 A JP 9191990A JP 9191990 A JP9191990 A JP 9191990A JP H0569776 B2 JPH0569776 B2 JP H0569776B2
- Authority
- JP
- Japan
- Prior art keywords
- goethite
- shaped
- ferric
- hydroxide
- disc
- 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
Landscapes
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9191990A JPH0397626A (ja) | 1990-04-05 | 1990-04-05 | 盤状ゲーサイト |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9191990A JPH0397626A (ja) | 1990-04-05 | 1990-04-05 | 盤状ゲーサイト |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60007832A Division JPS61168534A (ja) | 1985-01-18 | 1985-01-18 | 盤状ゲーサイトの製法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0397626A JPH0397626A (ja) | 1991-04-23 |
| JPH0569776B2 true JPH0569776B2 (OSRAM) | 1993-10-01 |
Family
ID=14039994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9191990A Granted JPH0397626A (ja) | 1990-04-05 | 1990-04-05 | 盤状ゲーサイト |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0397626A (OSRAM) |
-
1990
- 1990-04-05 JP JP9191990A patent/JPH0397626A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0397626A (ja) | 1991-04-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |