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. 29, 1977
Filed:
Dec. 15, 1976
Applicant:
Inventors:
Kenneth M Merz, Gladwyne, PA (US);
Howard E Shapiro, Philadelphia, PA (US);
Assignee:
TRW Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; H01B / ;
U.S. Cl.
CPC ...
428428 ; 252513 ; 252520 ; 428328 ; 428325 ; 428432 ; 428433 ;
Abstract
A vitreous enamel resistance material including a mixture of a vitreous glass frit and fine particles of a conductor which is an alloy of nickel and chromium. The conductor particles are present in the amount of 28 to 80% by weight. Up to 3% by weight of titanium and/or titanium nitride may be included in the resistance material to adjust the temperature coefficient of resistance of the material.