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:
Apr. 26, 2022
Filed:
Sep. 21, 2020
Applicant:
Agc Inc., Tokyo, JP;
Inventors:
Assignee:
AGC Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/26 (2006.01); G02B 6/122 (2006.01); G02B 6/30 (2006.01);
U.S. Cl.
CPC ...
G02B 6/26 (2013.01); G02B 6/1221 (2013.01); G02B 6/30 (2013.01);
Abstract
The present invention relates to a polymer optical waveguide including: a core; an under-cladding; and an over-cladding, in which the polymer optical waveguide includes a coupling section and an optical waveguide section that are provided along a light propagation direction, the polymer optical waveguide includes portions having different core widths along the light propagation direction, and when a core width at a portion a having a narrowest core width is denoted Wa (μm) and a core height at the portion a is denoted Ha (μm), Ha is 1.3 μm or more and 4.5 μm or less, and Ha/Wa is 1.15 or less.