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:
Dec. 17, 2013
Filed:
Nov. 22, 2011
Takanori Yamamoto, Nagano, JP;
Hideki Yonekura, Nagano, JP;
Kenji Yanagisawa, Nagano, JP;
Kazunao Yamamoto, Nagano, JP;
Takanori Yamamoto, Nagano, JP;
Hideki Yonekura, Nagano, JP;
Kenji Yanagisawa, Nagano, JP;
Kazunao Yamamoto, Nagano, JP;
Shinko Electric Industries Co., Ltd., Nagano-shi, JP;
Abstract
A method of manufacturing an optical waveguide, includes forming a first cladding layer on a substrate, forming a core layer on the first cladding layer, forming a groove portion including a light path conversion inclined surface by processing the core layer in a thickness direction, and forming a second cladding layer in which a light path conversion hole is arranged on the light path conversion inclined surface on the first cladding layer and the core layer.