发明授权
- 专利标题： Laminated disc and information recording disc
- 专利标题（中）： 层压盘和信息记录盘
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申请号： US09671310申请日： 2000-09-28
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公开(公告)号： US06632500B1公开(公告)日： 2003-10-14
- 发明人: Haruhiko Takahashi
- 申请人： Haruhiko Takahashi
- 优先权： JP11-275871 19990929
- 主分类号： B32B302
- IPC分类号： B32B302
摘要：
A laminated disc composed of at least two supporting discs superposed upon another, each of the supporting discs having a thickness of 0.01 to 1 mm and being made of a vinyl alicyclic hydrocarbon polymer. This laminated disc is used as an optical disc including digital video disc (DVD).
信息查询
