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:
Nov. 10, 1981
Filed:
Feb. 28, 1980
Applicant:
Inventor:
Vincent T Bly, Alexandria, VA (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
427160 ; 250493 ;
Abstract
A visible light absorbing and far infrared radiation emitting membrane is closed in an evacuated cell. The membrane consists of a thin insulating film coated with an optical black made from gold alloyed with a small percentage of nickel, copper or palladium. The gold alloy black is deposited in a soft vacuum inert except for a trace of oxygen.