专利检索 ap:("Mitsui Chemicals, Inc." OR "Ahiko Finetec, Ltd.") AND inv:"TANAKA, Daisuke" 第 1 页

1.

发明公开
OPTICAL MEMBER, METHOD FOR MANUFACTURING OPTICAL MEMBER, AND OPTICAL INFORMATION TRANSMISSION DEVICE 审中-公开

公开(公告)号：EP3910386A1

公开(公告)日：2021-11-17

申请号：EP20758557.1

申请日：2020-02-04

申请人： Mitsui Chemicals, Inc. , Ahiko Finetec, Ltd.

发明人： AHIKO, Soichiro , TANAKA, Daisuke , UMEDA, Shinichi

IPC分类号： G02B5/00 , B24B37/08 , G02B1/04 , G02B5/08 , G02B27/02

摘要： The present invention provides an optical member including an organic polymer. This optical member includes a surface A which has an area of 1 mm 2 or more, and in which the flatness of a region having an area of 1 mm 2 , as measured by a non-contact type optical flatness meter, is 80 µm or less.