Invention Grant
US07898739B2 Plastic optical element, nest structure, die, optical scan apparatus and image formation apparatus
有权
塑料光学元件，巢结构，模具，光学扫描装置和成像装置
- Patent Title: Plastic optical element, nest structure, die, optical scan apparatus and image formation apparatus
- Patent Title (中): 塑料光学元件，巢结构，模具，光学扫描装置和成像装置
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Application No.: US12196662Application Date: 2008-08-22
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Publication No.: US07898739B2Publication Date: 2011-03-01
- Inventor: Eiichi Hayashi , Kan Aoki , Akihiro Iwamatsu , Go Takahashi
- Applicant: Eiichi Hayashi , Kan Aoki , Akihiro Iwamatsu , Go Takahashi
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2007-239924 20070914
- Main IPC: G02B3/00
- IPC: G02B3/00
Abstract:
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.
Public/Granted literature
- US20090073580A1 PLASTIC OPTICAL ELEMENT, NEST STRUCTURE, DIE, OPTICAL SCAN APPARATUS AND IMAGE FORMATION APPARATUS Public/Granted day:2009-03-19
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