| 发明名称 |
Optical recording disc. |
| 摘要 |
<p>Optical recording disc comprising an ablative recording layer of the composition Tex-rSey+rSzQq, wherein x = 76 - 93 at . % y = 6 - 13 at . % Z = 0 - 7 at . % Q is an element selected from the group consisting of Sb, Sn, Pb and Bi; q = 1 - 7 at . % x+y+z+q = 100 at . % z+q = 2 - 11 at . % r = 0 - 3 at . % with the understanding that when Q stands for Sb, r has the value of 0 at . %.</p> |
| 申请公布号 |
EP0083951(A1) |
申请公布日期 |
1983.07.20 |
| 申请号 |
EP19830200013 |
申请日期 |
1983.01.06 |
| 申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN |
发明人 |
VRIENS, LEENDERT;DE POORTER, ADRIAAN WILHELMUS;JACOBS, BERNARDUS ANTONIUS J. |
| 分类号 |
G11B7/243;G11B7/253;G11B7/2531;G11B7/2533;G11B7/257;G11B7/2575;(IPC1-7):41M5/24 |
主分类号 |
G11B7/243 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
