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.
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
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