DD296569A5 - Magnetooptisches aufzeichnungsmedium - Google Patents
Magnetooptisches aufzeichnungsmedium Download PDFInfo
- Publication number
- DD296569A5 DD296569A5 DD90342492A DD34249290A DD296569A5 DD 296569 A5 DD296569 A5 DD 296569A5 DD 90342492 A DD90342492 A DD 90342492A DD 34249290 A DD34249290 A DD 34249290A DD 296569 A5 DD296569 A5 DD 296569A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- layer
- magneto
- optical recording
- recording medium
- protective
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
- G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17379389 | 1989-07-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
DD296569A5 true DD296569A5 (de) | 1991-12-05 |
Family
ID=15967261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD90342492A DD296569A5 (de) | 1989-07-05 | 1990-07-04 | Magnetooptisches aufzeichnungsmedium |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH04117644A (ja) |
KR (1) | KR910003617A (ja) |
CA (1) | CA2020374A1 (ja) |
DD (1) | DD296569A5 (ja) |
-
1990
- 1990-07-04 DD DD90342492A patent/DD296569A5/de not_active IP Right Cessation
- 1990-07-04 CA CA002020374A patent/CA2020374A1/en not_active Abandoned
- 1990-07-05 KR KR1019900010144A patent/KR910003617A/ko not_active IP Right Cessation
- 1990-07-05 JP JP2177891A patent/JPH04117644A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA2020374A1 (en) | 1991-01-06 |
KR910003617A (ko) | 1991-02-28 |
JPH04117644A (ja) | 1992-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RPV | Change in the person, the name or the address of the representative (searches according to art. 11 and 12 extension act) | ||
ENJ | Ceased due to non-payment of renewal fee |