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. 04, 2012
Filed:
Jul. 14, 2009
Kazutoshi Yatsuda, Kanagawa, JP;
Masahiro Igusa, Kanagawa, JP;
Akira Fujii, Kanagawa, JP;
Toshihiko Suzuki, Kanagawa, JP;
Keishi Shimizu, Kanagawa, JP;
Shigemi Ohtsu, Kanagawa, JP;
Kazutoshi Yatsuda, Kanagawa, JP;
Masahiro Igusa, Kanagawa, JP;
Akira Fujii, Kanagawa, JP;
Toshihiko Suzuki, Kanagawa, JP;
Keishi Shimizu, Kanagawa, JP;
Shigemi Ohtsu, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A method of manufacturing an optical waveguide includes forming a core layer on a first clad layer, forming a second clad layer on the core layer, forming a first groove including at least one inclined surface in the second clad layer and the core layer to be in substantially parallel to and near one end of the second clad layer and one end of the core layer, the at least one inclined surface of the first groove having such an angle that the core layer is exposed when viewed above the second clad layer, forming a second groove including at least one inclined surface in the second clad layer on a inner side of the first groove, forming a separation groove in the clad layers and the core layer in a direction intersecting the first groove, and forming a plurality of cores intersecting the first groove.