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发明名称
Optical pickup device
摘要
申请公布号
US4893296(A)
申请公布日期
1990.01.09
申请号
US19880219915
申请日期
1988.07.15
申请人
SONY CORPORATION
发明人
MATSUMOTO, YOSHIYUKI;KUME, HIDEHIRO;MITSUMORI, KOJI;YOSHITOSHI, YOU;YAMAMOTO, ETSUFUMI;OINOUE, HIROSHI
分类号
G11B7/12;G11B7/135;H01L31/12;H01S5/00;H01S5/022;H01S5/026
主分类号
G11B7/12
代理机构
代理人
主权项
地址
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