发明名称 |
Optical pickup lens, molded optical component, handling method, and mold for optical component |
摘要 |
An objective lens for use in an optical pickup apparatus for conducting recording and/or reproducing information for an optical information recording medium, has a lens section shaped in an approximate circle and including a flange section; and a connecting section integrally provided to the lens section. The objective lens satisfies the following conditional formulas: <paragraph lvl="0"><in-line-formula>0.5<=A<=2.0, 0.3A<=B<=1.7A </in-line-formula>where A is a diameter of the lens section when the lens section is viewed from an direction of an optical axis, and B is a width of the connecting section when the connecting section is viewed from the direction of the optical axis.
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申请公布号 |
US2003026007(A1) |
申请公布日期 |
2003.02.06 |
申请号 |
US20020206187 |
申请日期 |
2002.07.29 |
申请人 |
KONICA CORPORATION |
发明人 |
YAMAMOTO SHOGO;HATTORI HIROYUKI;KURIHARA ETSUZO;SAITO SHINICHIRO;MATSUMARU TAKASHI;SAITO TAICHIRO;ISHIDA KAZUO;ATARASHI YUICHI;ARAI NORIKAZU |
分类号 |
B29C45/27;B29D11/00;C03B11/08;G02B3/04;G11B7/135;G11B7/22;G11B11/105;(IPC1-7):G02B3/00;G02B7/00;G02B9/00;G02B11/00 |
主分类号 |
B29C45/27 |
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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