Invention Grant
- Patent Title: Lens and method for producing lens
- Patent Title (中): 透镜及其制造方法
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Application No.: US13077759Application Date: 2011-03-31
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Publication No.: US08582210B2Publication Date: 2013-11-12
- Inventor: Toshiki Ito
- Applicant: Toshiki Ito
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc., IP Division
- Priority: JP2010-086188 20100402
- Main IPC: G02B9/00
- IPC: G02B9/00
Abstract:
A lens includes a transparent member, wherein the transparent member contains a plurality of polymers formed from organic monomers; the transparent member has a refractive index distribution due to the plurality of polymers; and particles having a lower thermal expansion coefficient than the transparent member are dispersed in the transparent member.
Public/Granted literature
- US20110242672A1 LENS AND METHOD FOR PRODUCING LENS Public/Granted day:2011-10-06
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