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. 09, 1999
Filed:
Jul. 14, 1995
Applicant:
Inventors:
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428428 ; 428446 ; 428699 ; 428700 ; 428701 ; 428702 ;
Abstract
An oxide thin film having a quartz crystal structure formed on a substrate, the oxide thin film being composed of a single layer or a plurality of layers having a thickness of 5 nm to 50 .mu.m per layer, each of the layer comprising silicon dioxide, germanium dioxide, or a mixture thereof.