基本信息:
- 专利标题： 光記錄媒體之製造方法、光記錄媒體、光資訊裝置及資訊再生方法
- 专利标题（英）：Optical recording medium production method, optical recording medium, optical information device, and information reproduction method
- 专利标题（中）：光记录媒体之制造方法、光记录媒体、光信息设备及信息再生方法
- 申请号：TW099111756 申请日：2010-04-15
- 公开(公告)号：TW201108225A 公开(公告)日：2011-03-01
- 发明人： 金馬慶明 , 安西穣兒 , 佃雅彥 , 日野泰守
- 申请人： 松下電器產業股份有限公司
- 申请人地址： PANASONIC CORPORATION 日本 JP
- 专利权人： 松下電器產業股份有限公司
- 当前专利权人： 松下電器產業股份有限公司
- 当前专利权人地址： PANASONIC CORPORATION 日本 JP
- 代理人： 桂齊恆; 閻啟泰
- 优先权： 日本 JP2009-193593 20090824
- 主分类号： G11B
- IPC分类号： G11B
Quality of a servo signal and a reproduction signal can be improved. The shape thicknesses tr1, tr2, ...,trN of a cover layer having a refractive index of nr1, nr2, ..., nrN, and first to (N-1)th intermediate layers are converted to thicknesses t1, t2, ..., tN of layers having a predetermined refractive index (no), which can cause the same spread amount as the optical beam spread amount caused by the thicknesses tr1, tr2, ..., trN. The difference (DEF) between the sum of thickness ti to thickness tj, and the sum of thickness tk to thickness tm is 1 [&mgr;]m or more (i, j, k, and m may represent any natural numbers which satisfy i=j < k=m=N), and thicknesses t1, t2, ..., tN are calculated by multiplying a function f(n) represented by the following formula (1) and thicknesses tr1, tr2, ..., trN. In the formula (1), n = nr1, nr2, ..., nrN. f(n) = -1.088n3 + 6.1027n2 - 12.042n + 9.1007 ... (1)
公开/授权文献:
- TWI480868B 光記錄媒體之製造方法、光記錄媒體、光資訊裝置及資訊再生方法 公开/授权日：2015-04-11