发明名称 |
High density read only optical disc |
摘要 |
A high density read only optical disc is provided. The high density read only optical disc includes a substrate having pits formed thereon; a crystalline reading assist layer; a first dielectric layer; and a mask layer composed of a metal oxide. The high density read only optical disc does not require a laser with a short wavelength or a large numerical aperture of an objective lens.
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申请公布号 |
US7172798(B2) |
申请公布日期 |
2007.02.06 |
申请号 |
US20040954362 |
申请日期 |
2004.10.01 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
HWANG IN-OH;KIM JOO-HO;KIM HYUN-KI |
分类号 |
B32B3/02;G11B7/24;G11B7/257 |
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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