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:
Feb. 22, 2000
Filed:
Dec. 05, 1995
Applicant:
Inventors:
Assignee:
Sumitomo Electric Industries, Ltd., Osaka-fu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C / ; B05D / ;
U.S. Cl.
CPC ...
501-7 ; 501 12 ; 427387 ; 427503 ; 427515 ; 117-4 ; 117 90 ; 117 91 ; 117943 ; 423335 ;
Abstract
A single crystal quartz thin film having a thickness of 5 nm to 50 .mu.m can be prepared by forming the thin film on a single crystal substrate by a sol-gel process and peeling the thin film from the substrate. The present invention can provide the single crystal quartz thin film at a low price without a large and complex apparatus.