| 发明名称 |
Optically readable information disc. |
| 摘要 |
An optically readable information disc is provided having a substrate plate manufactured by an injection moulding process or a compression moulding process and composed of a mixture of 40-90 % by weight of polymethylmethacrylate and 10-60 % by weight of polyvinylchloride or chlorinated polyvinylchloride.
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| 申请公布号 |
EP0218276(A1) |
申请公布日期 |
1987.04.15 |
| 申请号 |
EP19860201497 |
申请日期 |
1986.09.01 |
| 申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
LIPPITS, GERARDUS JOHANNES MEINARDUS;LEGIERSE, PETRUS EGIDIUS JACOBUS;DUJARDIN, GEORGE JOHANNES PETRUS |
| 分类号 |
B32B27/30;B32B7/02;B41M5/26;C08L27/06;C08L27/24;C08L33/04;C08L33/12;G02B1/04;G11B7/24;G11B7/243;G11B7/253;G11B7/258;(IPC1-7):G11B7/24 |
主分类号 |
B32B27/30 |
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