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:
Mar. 05, 1991
Filed:
Nov. 16, 1989
Applicant:
Inventors:
Yoshitaka Nishio, Osaka, JP;
Yuji Hamada, Osaka, JP;
Takanori Fujii, Hyogo, JP;
Masakazu Sakata, Osaka, JP;
Yoshikazu Tsujino, Osaka, JP;
Kazuhiko Kuroki, Kyoto, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; H03F / ;
U.S. Cl.
CPC ...
350 9612 ; 307430 ; 350 9615 ; 350 9629 ; 350 9634 ;
Abstract
An optical wavelength converting device includes a substrate, and a waveguide layer of a nonlinear organic material formed on one major surface of the substrate and having a thickness tapered along one axis parallel to the major surface, in which a waveguide with a desired thickness can be selected in a direction normal to the axis.