发明授权
- 专利标题: Light recording medium
- 专利标题(中): 光记录介质
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申请号: US362652申请日: 1982-03-29
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公开(公告)号: US4412231A公开(公告)日: 1983-10-25
- 发明人: Kenryo Namba , Akihiko Kuroiwa , Shiro Nakagawa
- 申请人: Kenryo Namba , Akihiko Kuroiwa , Shiro Nakagawa
- 申请人地址: JPX Tokyo
- 专利权人: TDK Electronics Co., Ltd.
- 当前专利权人: TDK Electronics Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX56-152126 19810928
- 主分类号: B41M5/26
- IPC分类号: B41M5/26 ; G11B7/24 ; G11B7/244 ; G01D15/34
摘要:
A light recording medium which has a substrate and a recording layer provided thereon and effects recording of information by selective removal or deformation of the recording layer by laser light, which is characterized by that said recording layer contains an organic dye as a light absorber, said dye is a mixed dye obtained by mixing a plurality of dyes having different light absorbing wavelengths from each other and the recording layer has a light absorptivity of 80% or more at all the wavelengths in the range of 400-900 nm in wavelength.
公开/授权文献
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