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:
Jun. 11, 2002
Filed:
Mar. 07, 2000
Applicant:
Inventors:
Yukinobu Nakabayashi, Tokyo, JP;
Mitsuhiro Kitamura, Tokyo, JP;
Tatsuo Kawaguchi, Motosu-Gun, JP;
Jungo Kondo, Nishikamo-Gun, JP;
Minoru Imaeda, Nagoya, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/10 ;
U.S. Cl.
CPC ...
G02B 6/10 ;
Abstract
A process for producing an optical waveguide element by thermally diffusing a metal element or a metallic compound into a substrate having a photoelectric effect, includes the steps of: forming a waveguide pattern on the substrate, the waveguide pattern includes a metal element or metallic compound; forming a film on a main plane of the substrate that covers the entire waveguide pattern, the film having an electro-optic effect; and effecting the thermal diffusion of the metallic element or the metallic compound.