发明名称 |
Optical data recording system and method of production of recording medium |
摘要 |
A transparent substrate and a method of producing the same suitable especially for an optical system for an optical data recording medium using a linearly polarized light as a data reading light such as a magneto-optical recording medium drive unit and an optical data recording medium for reading data using a linearly polarized light.
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申请公布号 |
US4876133(A) |
申请公布日期 |
1989.10.24 |
申请号 |
US19870119471 |
申请日期 |
1987.11.12 |
申请人 |
HITACHI MAXELL, LTD. |
发明人 |
SUGIYAMA, TOSHINORI;IKEGAKI, TETSUROU;SHIMIZU, MITSURU;TUBURAYA, YOSHITANE |
分类号 |
B29C45/26;G11B7/0033;G11B7/24;G11B7/253;G11B7/26;G11B11/105 |
主分类号 |
B29C45/26 |
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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