发明名称 |
Optical recording medium and method for manufacturing the same |
摘要 |
An optical recording medium includes: a substrate having a first principal surface and a second principal surface; one or plural information signal layers formed on the first principal surface of the substrate for undergoing recording or reproduction of information signals upon irradiation with light; and a barrier layer formed on the second principal surface of the substrate for suppressing the gas release from the second principal surface of the substrate, wherein an area of a region exposing from the barrier layer of the second principal surface of the substrate is not more than 688 mm2. |
申请公布号 |
US8409685(B2) |
申请公布日期 |
2013.04.02 |
申请号 |
US20100662505 |
申请日期 |
2010.04.21 |
申请人 |
SUWABE MASATSUGU;NAKAYAMA HIROSHI;IGARI TAKAHIRO;OTA TERUYUKI;SONY CORPORATION |
发明人 |
SUWABE MASATSUGU;NAKAYAMA HIROSHI;IGARI TAKAHIRO;OTA TERUYUKI |
分类号 |
B32B3/02 |
主分类号 |
B32B3/02 |
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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