发明名称 |
Optical record carrier. |
摘要 |
<p>An inscribable record carrier (1) is described, which comprises a previously recorded servo-track structure provided with a recording layer. The contrast between the servo-tracks (3) provided with information areas and the intermediate tracks (5) is increased by combining wide tracks (20) with a white-writing recording layer (24) or by combining narrow servo-tracks (20) with a black-writing recording layer (21).</p> |
申请公布号 |
EP0327172(A1) |
申请公布日期 |
1989.08.09 |
申请号 |
EP19890200187 |
申请日期 |
1989.01.30 |
申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN |
发明人 |
VEENIS, AARTJE WILLEMINA;MIMNAGH, WINSLOW MICHAEL |
分类号 |
G11B7/00;G11B7/004;G11B7/007;G11B7/013;G11B7/09;G11B7/095;G11B7/24 |
主分类号 |
G11B7/00 |
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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