| 发明名称 |
Optical information disk. |
| 摘要 |
<p>An optical information disk in which information can be written and read optically and which has a substrate plate which on at least one side has a recording layer which satisfies the formula TexSeySbzSq wherein x = 55-85 at.%, y = 13-30 at.%, z = 1-12 at.%, q = 0-10 at.% and x + y + z + q = 100. Suitable recording layers are Te60Se25Sb10S5 and Te75Se15Sb5S5.</p> |
| 申请公布号 |
EP0050388(A1) |
申请公布日期 |
1982.04.28 |
| 申请号 |
EP19810201131 |
申请日期 |
1981.10.12 |
| 申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN |
发明人 |
ZALM, PIETER;JACOBS, BERNARDUS ANTONIUS JOHANNUS;DE POORTER, ADRIAAN WILHELMUS |
| 分类号 |
B41M5/26;G11B7/242;G11B7/243;(IPC1-7):41M5/24;03C1/72;11B7/24 |
主分类号 |
B41M5/26 |
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