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:
Oct. 11, 1977
Filed:
Nov. 24, 1975
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 ...
H01C / ;
U.S. Cl.
CPC ...
338309 ; 29621 ; 252512 ; 252515 ; 252513 ; 252516 ; 252518 ; 338327 ; 338328 ; 427102 ; 428433 ;
Abstract
An electrical resistor and method of making same including a substrate of an electrical insulating material having on a surface thereof a film of a resistance material and a termination film of a conductive material at each end of the resistance film. The resistance film is preferably a layer of a glass having embedded therein conductive particles such as tantalum nitride and tantalum or tungsten carbide and tungsten. The termination film contains either molybdenum, tungsten or a mixture thereof.