发明授权
- 专利标题： Optical disk having protective coating
- 专利标题（中）： 具有保护涂层的光盘
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申请号： US12257118申请日： 2008-10-23
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公开(公告)号： US07979875B2公开(公告)日： 2011-07-12
- 发明人: Koji Takazawa
- 申请人： Koji Takazawa
- 申请人地址： JP Tokyo
- 专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人： Kabushiki Kaisha Toshiba
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2002-158897 20020531
- 主分类号： G11B7/24
- IPC分类号： G11B7/24
摘要：
An optical disk having a recording layer on a substrate, a bonding layer which is made of an ultraviolet cured resin bonding the recording layer, a transparent layer which is bonded to the bonding layer, and an overcoating layer which is formed on the transparent sheet and is made of the ultraviolet cured resin further has a mixed layer which is formed by mixing the ultraviolet cured resins of the bonding layer and the overcoating layer. Consequently, the bonding layer, the overcoating layer, and the mixed layer are integrally cured, so that the substrate is entirely covered with the ultraviolet cured resin having transparency, which allows a light transmitting layer A to be protected with sufficient strength.
公开/授权文献
- US20090086616A1 OPTICAL DISK AND METHOD OF MANUFACTURING THE SAME 公开/授权日：2009-04-02
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