发明授权
- 专利标题： Optical recording medium
- 专利标题（中）： 光记录介质
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申请号： US529471申请日： 1995-09-18
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公开(公告)号： US5698284A公开(公告)日： 1997-12-16
- 发明人: Takeshi Kubota , Hachiro Saito , Seiichi Nishikawa , Tetsuo Komori
- 申请人： Takeshi Kubota , Hachiro Saito , Seiichi Nishikawa , Tetsuo Komori
- 申请人地址： JPX
- 专利权人： Dai Nippon Printing Co., Ltd.
- 当前专利权人： Dai Nippon Printing Co., Ltd.
- 当前专利权人地址： JPX
- 优先权： JPX6-226330 19940921; JPX7-012192 19950130; JPX7-042638 19950302; JPX7-140206 19950607; JPX7-161830 19950628
- 主分类号： G06K19/06
- IPC分类号： G06K19/06 ; B32B33/00
摘要：
The present invention relates to an optical recording medium which has excellent scratch resistance and resistance to cracking derived from warpage and bending. It comprises a card substrate; and, laminated on the card substrate, an optical recording member comprising a laminate of a transparent protective layer and an optical recording material layer, wherein a specific surface hard layer is provided on the transparent protective layer.
公开/授权文献
- US5074824A Coin hopper 公开/授权日：1991-12-24
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