发明名称 |
Recordable optical data storage disc |
摘要 |
A recordable data storage disc comprises a substrate having a spirally or concentrically shaped groove pattern. A groove depth of the groove pattern is greater than 90 nanometers, and a track pitch provided by the groove pattern is less than 500 nanometers. The data storage disc further comprises a write-once recording layer formed on the groove pattern, and a reflector layer formed on the recording layer opposite the substrate. The groove depth of greater than 90 nanometers allows a thicker coating of dye to be used for the recording layer compared to other recordable data storage discs with a groove pattern with a groove depth of 90 nanometers or less. The thicker coating of dye allows a lower write power, better modulation when reading a data signal from the disc. The groove depth of greater than 90 nanometers may also allow for more precise push-pull tracking.
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申请公布号 |
US2008229349(A1) |
申请公布日期 |
2008.09.18 |
申请号 |
US20070725131 |
申请日期 |
2007.03.15 |
申请人 |
OLLMANN RICHARD R;BUSMAN STANLEY C;CULHANE ROGER C;DRUTOWSKI MARK R;MORKVED TERRY L;STUBBS DANIEL P |
发明人 |
OLLMANN RICHARD R.;BUSMAN STANLEY C.;CULHANE ROGER C.;DRUTOWSKI MARK R.;MORKVED TERRY L.;STUBBS DANIEL P. |
分类号 |
G11B7/24 |
主分类号 |
G11B7/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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