| 发明名称 |
OPTICAL PICKUP DEVICE, OPTICAL ELEMENT USED FOR OPTICAL PICKUP DEVICE, AND METHOD FOR PRODUCING OPTICAL ELEMENT |
| 摘要 |
<p>Disclosed is an optical element for optical pickup devices which is obtained by shaping a resin material wherein inorganic particles having a diameter of 30 nm or less are dispersed in a plastic resin. Also disclosed are an optical pickup device using such an optical element and a method for producing such an optical element.</p> |
| 申请公布号 |
WO2005006322(A1) |
申请公布日期 |
2005.01.20 |
| 申请号 |
WO2004JP09881 |
申请日期 |
2004.07.05 |
| 申请人 |
KONICA MINOLTA OPTO, INC.;ATARASHI, YUICHI;YAMASHITA, KIYOSHI;TAIMA, YASUO |
发明人 |
ATARASHI, YUICHI;YAMASHITA, KIYOSHI;TAIMA, YASUO |
| 分类号 |
B29C45/00;B29C45/26;G02B1/04;G02B5/18;G11B7/00;G11B7/125;G11B7/135;(IPC1-7):G11B7/135;G02B3/02;G11B7/22;B29C33/38 |
主分类号 |
B29C45/00 |
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