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:
Oct. 30, 2007
Filed:
Mar. 22, 2006
Mamoru Ishizaki, Tokyo, JP;
Hatsune Hara, Tokyo, JP;
Jun Sasaki, Tokyo, JP;
Shinichi Inoue, Tokyo, JP;
Takehito Tsukamoto, Tokyo, JP;
Mamoru Ishizaki, Tokyo, JP;
Hatsune Hara, Tokyo, JP;
Jun Sasaki, Tokyo, JP;
Shinichi Inoue, Tokyo, JP;
Takehito Tsukamoto, Tokyo, JP;
Toppan Printing Co., Ltd., Tokyo, JP;
Abstract
Some of the embodiments of this invention provide optical waveguides which achieve high use efficiency of core material and which are inexpensive. Some other embodiments of the invention provide methods of manufacturing such optical waveguides. An method of manufacturing an optical waveguide, according to the invention, comprises a step of forming a first clad by applying a resin on a substrate and curing the resin, a step of applying a core material between a recessed mold which has a recess having a shape identical to a shape of the core, and the first clad which is provided on the substrate, a step of curing the core material thus applied, thereby forming a core pattern having a shape corresponding to that of the recess, and a step of peeling the recessed mold from the core pattern and the first clad.