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. 18, 2001
Filed:
Jun. 14, 1999
Applicant:
Inventors:
Byron A. Wood, II, Santa Rosa, CA (US);
William H. Howard, Santa Rosa, CA (US);
Assignee:
Deposition Sciences, Inc., Santa Rosa, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/10 ; G02B 5/28 ; G02B 5/08 ; F21V 9/00 ;
U.S. Cl.
CPC ...
G02B 1/10 ; G02B 5/28 ; G02B 5/08 ; F21V 9/00 ;
Abstract
An optical interference coating on a refractory substrate, the coating being comprised of alternating layers of silicon dioxide and zirconium dioxide. The coating can be in the form of an optical filter where a substrate bearing the coating can be repeatedly cycled between room temperature and a temperature of at least 1000° C. without significant degradation of its optical or mechanical properties.