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 代理人
主权项
地址