The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2015
Filed:
Jul. 25, 2011
Applicants:
Motoki Okaniwa, Tokyo, JP;
Takaaki Uno, Tokyo, JP;
Shintaro Fujitomi, Tokyo, JP;
Takashi Okada, Tokyo, JP;
Toshihiro Otsuki, Tokyo, JP;
Katsuya Nagaya, Tokyo, JP;
Inventors:
Motoki Okaniwa, Tokyo, JP;
Takaaki Uno, Tokyo, JP;
Shintaro Fujitomi, Tokyo, JP;
Takashi Okada, Tokyo, JP;
Toshihiro Otsuki, Tokyo, JP;
Katsuya Nagaya, Tokyo, JP;
Assignee:
JSR CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/28 (2006.01); G02B 5/22 (2006.01);
U.S. Cl.
CPC ...
G02B 5/287 (2013.01); G02B 5/22 (2013.01);
Abstract
An optical filter comprising a substrate and a dielectric multilayer film formed on at least one surface of the substrate, wherein the substrate comprises an aromatic polyether-based polymer having a glass transition temperature (Tg), measured via differential scanning calorimetry (DSC, heating rate: 20° C./min), of from 230 to 350° C.