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:
Sep. 10, 2019
Filed:
Jan. 31, 2018
Applicant:
Agc Inc., Chiyoda-ku, JP;
Inventors:
Seiki Ohara, Tokyo, JP;
Shotaro Takenobu, Tokyo, JP;
Assignee:
AGC Inc., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/122 (2006.01); G02B 6/30 (2006.01); G02B 6/12 (2006.01); G02B 6/26 (2006.01); G02B 1/04 (2006.01); G02B 6/02 (2006.01);
U.S. Cl.
CPC ...
G02B 6/122 (2013.01); G02B 1/048 (2013.01); G02B 6/12 (2013.01); G02B 6/1221 (2013.01); G02B 6/26 (2013.01); G02B 6/30 (2013.01); G02B 1/046 (2013.01); G02B 6/02033 (2013.01); G02B 2006/12088 (2013.01); G02B 2006/12147 (2013.01);
Abstract
A resin optical waveguide containing a core, an under cladding and an over cladding having refractive indices lower than that of the core, in which the resin optical waveguide has, at one end side of, a core-exposed section at which the over cladding is not present and the core and the under cladding nearby the core are exposed and, of the under cladding, a portion corresponding to the core-exposed section has a first layer and a second layer that satisfy a certain condition.