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. 25, 2001
Filed:
Oct. 14, 1998
Applicant:
Inventors:
Frederik C. Gehring, Eindhoven, NL;
Lambertus J. J. Van Rijsewijk, Eindhoven, NL;
Pieter Scholten, Eindhoven, NL;
Petrus J. Uitterhoeve, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 5/02 ;
U.S. Cl.
CPC ...
G01J 5/02 ;
Abstract
A property of a layer of a phosphor screen on a substrate is determined by sending a beam of infrared radiation through the substrate and the layer and measuring, after the passage, the intensity of the beam. The radiation can be measured by a CCD camera.