DE3752348T2 - Magneto-optical recording medium with the possibility of overwriting with two or more magnetic layers and recording method using this medium - Google Patents
Magneto-optical recording medium with the possibility of overwriting with two or more magnetic layers and recording method using this mediumInfo
- Publication number
- DE3752348T2 DE3752348T2 DE19873752348 DE3752348T DE3752348T2 DE 3752348 T2 DE3752348 T2 DE 3752348T2 DE 19873752348 DE19873752348 DE 19873752348 DE 3752348 T DE3752348 T DE 3752348T DE 3752348 T2 DE3752348 T2 DE 3752348T2
- Authority
- DE
- Germany
- Prior art keywords
- medium
- overwriting
- magneto
- possibility
- magnetic layers
- 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 - Fee Related
Links
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15878786 | 1986-07-08 | ||
JP61191202A JPS6348637A (en) | 1986-08-16 | 1986-08-16 | Magneto-optical recording medium and magnet-optical recording method |
JP61262034A JPS63117354A (en) | 1986-11-05 | 1986-11-05 | Magneto-optical recording medium |
JP27856786A JPH087885B2 (en) | 1986-11-25 | 1986-11-25 | Magneto-optical recording method |
JP27856686A JPH087884B2 (en) | 1986-11-25 | 1986-11-25 | Magneto-optical recording method |
JP62020384A JPS63153752A (en) | 1986-07-08 | 1987-02-02 | Magneto-optical recording medium and its recording method |
JP62021675A JPS63191337A (en) | 1987-02-03 | 1987-02-03 | Magneto-optical recording medium and recording system |
JP62023993A JPS63191338A (en) | 1987-02-04 | 1987-02-04 | Magneto-optical recording medium and recording system |
JP62024707A JPS63193352A (en) | 1987-02-06 | 1987-02-06 | Production of magneto-optical recording medium |
JP62024706A JPS63193351A (en) | 1987-02-06 | 1987-02-06 | Magneto-optical recording medium and recording system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3752348D1 DE3752348D1 (en) | 2002-04-04 |
DE3752348T2 true DE3752348T2 (en) | 2002-08-14 |
Family
ID=27579711
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873752348 Expired - Fee Related DE3752348T2 (en) | 1986-07-08 | 1987-07-08 | Magneto-optical recording medium with the possibility of overwriting with two or more magnetic layers and recording method using this medium |
DE19873752351 Expired - Fee Related DE3752351T2 (en) | 1986-07-08 | 1987-07-08 | Device and system for recording on a magneto-optical recording medium |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873752351 Expired - Fee Related DE3752351T2 (en) | 1986-07-08 | 1987-07-08 | Device and system for recording on a magneto-optical recording medium |
Country Status (1)
Country | Link |
---|---|
DE (2) | DE3752348T2 (en) |
-
1987
- 1987-07-08 DE DE19873752348 patent/DE3752348T2/en not_active Expired - Fee Related
- 1987-07-08 DE DE19873752351 patent/DE3752351T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3752351D1 (en) | 2002-05-23 |
DE3752351T2 (en) | 2002-10-02 |
DE3752348D1 (en) | 2002-04-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |