Optical element, method for manufacturing the same, and light-shielding coating material for the same

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专利权人:

Canon Kabushiki Kaisha

发明人:

Ogawa, Ryo - Engineer,Tsubaki, Keiichiro - Engineer,Hino, Tetsuo - Engineer,Sano, Daisuke - Engineer

申请号：

EP20120004771

公开号：

EP2546682(A3)

申请日:

2012.06.26

申请国别(地区):

欧洲专利局

年份:

2018

代理人:

摘要：

An optical element includes a base member having an optically ineffective portion and a light-shielding film disposed on the optically ineffective portion. The light-shielding film contains a cured mixture of an epoxy resin and a phenol resin.

来源网站：

中国工程科技知识中心

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http://www.ckcest.cn/home/