发明名称 |
High density optical disk |
摘要 |
An optical disk allows recording of information at high density and accurate reproduction of such high-density recorded information. The optical disk according to the invention has a shutter layer, formed directly or through an intermediate layer on a substrate, for tightening a light beam to be irradiated to read or write information, the shutter layer containing semiconductor fine particles.
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申请公布号 |
US5456961(A) |
申请公布日期 |
1995.10.10 |
申请号 |
US19930087320 |
申请日期 |
1993.07.08 |
申请人 |
PIONEER ELECTRONIC CORPORATION |
发明人 |
IIDA, TETSUYA;YOKOZEKI, SHINICHI |
分类号 |
B41M5/26;G11B7/24;G11B7/251;G11B7/257;G11C13/04;(IPC1-7):B32B3/02 |
主分类号 |
B41M5/26 |
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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