发明名称 |
Optical pickup apparatus, optical element for optical pickup apparatus and producing method of optical element |
摘要 |
The present invention relates to an optical element for an optical pickup device, wherein the optical element is produced by molding a resin material, in which inorganic particles having a diameter of not more than 30 nm are dispersed in a plastic resin, an optical pickup device using the optical element, and a producing method of the optical element.
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申请公布号 |
US7545724(B2) |
申请公布日期 |
2009.06.09 |
申请号 |
US20040884916 |
申请日期 |
2004.07.07 |
申请人 |
KONICA MINOLTA OPTO, INC. |
发明人 |
ATARASHI YUICHI;YAMASHITA KIYOSHI;TAIMA YASUO |
分类号 |
G11B7/00;B29C45/00;B29C45/26;G02B1/04;G02B5/18;G11B7/125;G11B7/135 |
主分类号 |
G11B7/00 |
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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