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:
Mar. 26, 1996
Filed:
Sep. 20, 1994
Applicant:
Inventors:
Walter M Duncan, Dallas, TX (US);
Francis G Celii, Dallas, TX (US);
Steven A Henck, Plano, TX (US);
Ajit P Paranjpe, Plano, TX (US);
Douglas L Mahlum, Allen, TX (US);
Larry A Taylor, N. Richland Hills, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G01J / ; G01J / ; G01J / ; G02F / ;
U.S. Cl.
CPC ...
374126 ; 374128 ; 374-9 ; 250225 ; 356367 ; 356369 ;
Abstract
A direct, noncontact temperature sensor includes an ellipsometer (104-106) to determine absorptance for layered structures and a pyrometer (102) to determine emissive power and combines the two measurements to determine temperature.