发明名称 Plastic optical element, nest structure, die, optical scan apparatus and image formation apparatus
摘要 A plastic optical element is provided, which includes an optical element body having a transfer surface which includes at least one laser beam incident portion of a concave shape, and a support portion connected with the optical element body, in which the support portion is disposed in a direction of a tangent line at an end of the transfer surface, and the optical element body and a part of the support portion are molded in the same nest structure.
申请公布号 US7898739(B2) 申请公布日期 2011.03.01
申请号 US20080196662 申请日期 2008.08.22
申请人 RICOH COMPANY, LTD. 发明人 HAYASHI EIICHI;AOKI KAN;IWAMATSU AKIHIRO;TAKAHASHI GO
分类号 G02B3/00 主分类号 G02B3/00
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