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:
Jul. 09, 1991
Filed:
Oct. 26, 1990
Applicant:
Inventor:
James R Fendley, Arlington Heights, IL (US);
Assignee:
Zenith Electronics Corporation, Glenview, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
445 30 ;
Abstract
A method is disclosed for use in the manufacture of a tension mask color cathode ray tube that includes a glass faceplate having an inner surface with a centrally disposed screening area. A multi-color phosphor screen is formed on the screening area and thereafter there is secured to the inner surface on opposed sides of the screen a shadow mask support structure having Q-height adjustment means for receiving and securing the mask. The Q-height adjustment means is adjusted and affixed at a predetermined Q-height and a foil mask in tension is affixed to the Q-height adjustment means.