发明授权
- 专利标题: Optical recording and reproduction apparatus
- 专利标题(中): 光学记录和再现设备
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申请号: US375730申请日: 1995-01-20
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公开(公告)号: US5543271A公开(公告)日: 1996-08-06
- 发明人: Hiroaki Miwa , Ryoichi Sudo , Tetsuo Tajima , Eiji Koyama
- 申请人: Hiroaki Miwa , Ryoichi Sudo , Tetsuo Tajima , Eiji Koyama
- 申请人地址: JPX Tokyo JPX Osaka
- 专利权人: Hitachi, Ltd.,Hitachi Maxell, Ltd.
- 当前专利权人: Hitachi, Ltd.,Hitachi Maxell, Ltd.
- 当前专利权人地址: JPX Tokyo JPX Osaka
- 优先权: JPX3-056460 19910320
- 主分类号: G11B7/0037
- IPC分类号: G11B7/0037 ; G11B7/24 ; G11B7/243 ; G11B7/2433 ; G11B7/2531 ; G11B7/2533 ; G11B7/2534 ; G11B7/257 ; G11B7/2585 ; G11B7/26
摘要:
The object of the present invention is to provide an optical disc and a method of manufacturing thereof wherein defects and deterioration in the optical disc are minimized at the time of manufacture, during operation and storage thereof as well. The invention conceives an optical disc suitable for accomplishing the above object through specifications such as providing a cross-sectional structure thereof comprising a pair of transparent substrates each provided with at least one layer of a recording film formed on the surface of information patterns thereof, with the pair being bonded and laminated with an adhesive, and further providing an instantaneous axial acceleration
公开/授权文献
- US5111331A Electro-optical light modulator 公开/授权日:1992-05-05
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