发明名称 |
OPTICAL ELEMENT AND OPTICAL PICKUP APPARATUS PROVIDED WITH OPTICAL ELEMENT |
摘要 |
<P>PROBLEM TO BE SOLVED: To obtain an optical element used for an optical pickup apparatus securing profile irregularity required for a lens part while having small appearance, and to obtain a small optical pickup apparatus provided with the optical element. <P>SOLUTION: The optical element has the lens part to be an optically functional surface and a flange part rectangularly formed on the periphery of the lens part and is formed by injecting resin from a resin injecting port disposed in a position corresponding to a corner part of the flange part in a metal mold. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
申请公布号 |
JP2005285177(A) |
申请公布日期 |
2005.10.13 |
申请号 |
JP20040094548 |
申请日期 |
2004.03.29 |
申请人 |
KONICA MINOLTA OPTO INC |
发明人 |
ITO TERUHIKO;KOJIMA TOSHIYUKI |
分类号 |
G02B3/00;B29C45/27;B29C45/34;B29L11/00;G02B7/02;G11B7/135;G11B7/22 |
主分类号 |
G02B3/00 |
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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