发明名称 |
Information Recording Medium, Information Recording Device and Method and Computer Program |
摘要 |
An information recording medium, provided with: a first recording layer (L0 layer) to record therein record information by irradiating laser light (LB); and a second recording layer (L1 layer) to record therein the record information by irradiating the laser light through the first recording layer, the second recording layer having a first calibration area ( 113 ) which is to record therein pattern information for obtaining an optimum power of the laser light and which corresponds to a recording area ( 104 ) of the first recording layer in which the record information is unrecorded, a head portion of the first calibration area being disposed at a position where it is displaced by a predetermined distance toward a direction of recording the pattern information, on the basis of a head portion of the recording area of the first recording layer in which the record information is unrecorded.
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申请公布号 |
US2008074972(A1) |
申请公布日期 |
2008.03.27 |
申请号 |
US20050662093 |
申请日期 |
2005.09.07 |
申请人 |
PIONEER CORPORATION |
发明人 |
HORIKAWA KUNIHIKO;KURODA KAZUO;TANIGUCHI SHOJI;KATO MASAHIRO;MURAMATSU EIJI |
分类号 |
G11B7/00;G11B7/125;G11B7/24;G11B7/24038 |
主分类号 |
G11B7/00 |
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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