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. 20, 2001
Filed:
Aug. 04, 1998
Applicant:
Inventors:
Assignee:
Yamamura Glass Co., Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/700 ;
U.S. Cl.
CPC ...
B32B 1/700 ;
Abstract
A thin film of a perovskite-type transparent potassium niobate formed on an amorphous substrate. The thin film of a perovskite-type potassium niobate has excellent transparency, can be (,) oriented, and can be used for optical devices, such as an optical waveguide, a second harmonic generating device, and an optical switching device.