| 发明名称 |
SETT FOR FRAMSTELLNING AV EN OPTISKT LESBAR INFORMATIONSSKIVA MED ANVENDNING AV EN PLAN, STYV, VERMELEDANDE PLATTA AV OORGANISKT MATERIAL |
| 摘要 |
<p>A transparent disc 1 carries a reflecting crenellated information structure 2 which is bonded to a flat heat- conducting plate 6, for example an aluminium plate, to reduce the amount of local heating, with consequent degradation of the information structure 2, which may be caused by the playback beam. <IMAGE></p> |
| 申请公布号 |
SE7809614(A) |
申请公布日期 |
1979.03.17 |
| 申请号 |
SE19780009614 |
申请日期 |
1978.09.13 |
| 申请人 |
NV * PHILIPS' GLOEILAMPENFABRIEKEN |
发明人 |
J * VAN DER WAL |
| 分类号 |
G11B7/254;G11B7/257;G11B7/258;G11B7/26;(IPC1-7):11B7/24 |
主分类号 |
G11B7/254 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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