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. 13, 2010
Filed:
Jul. 14, 2008
Akira Fujii, Kanagawa, JP;
Toshihiko Suzuki, Kanagawa, JP;
Keishi Shimizu, Kanagawa, JP;
Kazutoshi Yatsuda, Kanagawa, JP;
Masahiro Igusa, Kanagawa, JP;
Shigemi Ohtsu, Kanagawa, JP;
Eiichi Akutsu, Kanagawa, JP;
Akira Fujii, Kanagawa, JP;
Toshihiko Suzuki, Kanagawa, JP;
Keishi Shimizu, Kanagawa, JP;
Kazutoshi Yatsuda, Kanagawa, JP;
Masahiro Igusa, Kanagawa, JP;
Shigemi Ohtsu, Kanagawa, JP;
Eiichi Akutsu, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An optical waveguide includes a layer A and a plurality of cores enclosed in a cladding. During production of the optical waveguide, a layered film including alternate layers of a core layer and a cladding layer is cut so as to form a groove that penetrates through the layered film in a thickness direction and so as to form a plurality of core portions, and the layer A is provided so as to partially fill the groove depthwise and so as to maintain spacing between the plurality of core portions before the core portions is enclosed by the cladding.