发明授权
- 专利标题: Optical information recording medium
- 专利标题(中): 光信息记录介质
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申请号: US870201申请日: 1986-06-02
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公开(公告)号: US4752554A公开(公告)日: 1988-06-21
- 发明人: Tsutomu Sato , Hideaki Oba
- 申请人: Tsutomu Sato , Hideaki Oba
- 申请人地址: JPX Tokyo
- 专利权人: Ricoh Co., Ltd.
- 当前专利权人: Ricoh Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX58-206795 19831102; JPX58-219739 19831122; JPX58-219530 19831124
- 主分类号: G11B7/244
- IPC分类号: G11B7/244 ; G11B7/245 ; G11B7/246 ; G11B7/247 ; G11B7/2472 ; G11B7/254 ; G01D15/14
摘要:
The present invention relates to an optical information recording medium comprising a substrate, recording layer and protective layer, characterized in that said protective layer comprises, as the main components, a high molecular compound and at least one of record-promoting agents selected from the group of (a) explosive material, (b) plasticizer, (c) organic low molecular compound having a melting point not higher than 140.degree. C., and (d) light-absorbing material.