发明名称 |
Optical disk |
摘要 |
An optical disk comprising two layers including a signal recording layer and an image recording layer further comprises a metal reflective layer formed on a surface of the image recording layer on the incidence side of laser light. The image recording layer is capable of forming a visible image in response to an increase in temperature caused by application of laser light to the metal reflective layer. The visible image is capable of being visually observed from a side opposite to the incidence side.
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申请公布号 |
US7796495(B2) |
申请公布日期 |
2010.09.14 |
申请号 |
US20050198113 |
申请日期 |
2005.08.05 |
申请人 |
SANYO ELECTRIC CO., LTD. |
发明人 |
TSUKIHASHI AKIRA;YAMAMOTO TSUYOSHI;MIYOSHI SATORU;NAKAHASHI SHINICHI |
分类号 |
G11B3/70;B41J2/435;G01D15/14;G11B5/84;G11B7/20;G11B7/26 |
主分类号 |
G11B3/70 |
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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