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发明名称
记录层具有凹沟结构之光学记录媒体,在其上记录用之光学拾波器及记录装置和方法
摘要
本发明系关于可记录光学记录媒体之格式,其设计方式是可利用任何标准播放器和记录器可以阅读,以及光学拾波器,适于把资料书写在可记录光学记录媒体上。光学记录媒体具有记录层(2),敏于在第一波长记录,且敏于在第二波长阅读,记录层(2)具有凹沟结构(4),其中在第一波长时,凹沟结构(4)具有进入第一绕射阶的绕射效率,充分大到发生推挽讯号,而在第一波长时,具有进入第一绕射阶的绕射效率几近零。
申请公布号
TW200818186
申请公布日期
2008.04.16
申请号
TW096134336
申请日期
2007.09.14
申请人
汤姆生特许公司
发明人
尼特尔;里克特;哈迈斯利
分类号
G11B7/257(2006.01)
主分类号
G11B7/257(2006.01)
代理机构
代理人
陈诗经
主权项
地址
法国
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