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:
May. 28, 1991
Filed:
Aug. 09, 1990
Applicant:
Inventors:
Ryo Enomoto, Gifu, JP;
Masaya Yamada, Gifu, JP;
Assignee:
Ibiden Co., Ltd., Ogaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350 9612 ; 156643 ; 307427 ; 307430 ; 350 9634 ;
Abstract
A second harmonic wave generating device of a thin film waveguide structure having a high conversion efficiency, which satisfies the following equation: ##EQU1## wherein .lambda..mu.m: fundamental wavelength