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. 29, 1992
Filed:
Sep. 28, 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 ...
385122 ; 359328 ; 359332 ;
Abstract
A second harmonic wave generating device having a thin film waveguide layer formed on a substrate, wherein the thin film wave guide layer is formed by dry etching a thin film formed on the substrate to adjust the thickness of the thin film so as to satisfy the following Equation (A) or (B): ##EQU1## wherein, T.mu.m: a thickness of the thin film waveguide layer