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: US686093申请日: 1996-07-24
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公开(公告)号: US5700540A公开(公告)日: 1997-12-23
- 发明人: Giuseppe Farruggia , Tukaram K. Hatwar , Michael P. Cunningham
- 申请人: Giuseppe Farruggia , Tukaram K. Hatwar , Michael P. Cunningham
- 申请人地址: NY Rochester
- 专利权人: Eastman Kodak Company
- 当前专利权人: Eastman Kodak Company
- 当前专利权人地址: NY Rochester
- 主分类号: G11B7/24
- IPC分类号: G11B7/24 ; G11B7/243 ; G11B7/257 ; G11B7/26 ; G11B11/105 ; B52B3/00
摘要:
An optical recording medium comprising a substrate with grooves, a surface smoothing layer less than 1 .mu.m thickness deposited on the grooved substrate, and a recording layer. The medium reduces noise and improves sensitivity relative to media which do not have a surface smoothing layer.
公开/授权文献
- US4589711A Drawer apparatus 公开/授权日:1986-05-20