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. 20, 2023
Filed:
Oct. 11, 2018
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Junko Kurizoe, Osaka, JP;
Naoyuki Kondou, Osaka, JP;
Toru Nakashiba, Osaka, JP;
Shingo Maeda, Saga, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 63/00 (2006.01); G02B 1/04 (2006.01); G02B 6/122 (2006.01);
U.S. Cl.
CPC ...
C08L 63/00 (2013.01); G02B 1/046 (2013.01); G02B 6/1221 (2013.01); C08L 2203/20 (2013.01); C08L 2205/025 (2013.01);
Abstract
Provided is a resin composition for optical waveguide cores, the resin composition including liquid epoxy resin, and solid epoxy resin, in which a coefficient of variation calculated from a weighted average value of a refractive index of the liquid epoxy resin and a refractive index of the solid epoxy resin is 2.10% or less.