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:
Jan. 02, 1990
Filed:
Apr. 06, 1988
Raymond G Capek, Elmhurst, IL (US);
David B Danielson, Elk Grove, IL (US);
Zenith Electronics Corporation, Glenview, IL (US);
Abstract
A faceplate assembly for a color cathode ray tube includes a glass faceplate having on its inner surface a centrally disposed phosphor screen. A metal foil shadow mask is mounted in tension on a mask support structure located on opposed sides of the screen and secured to the inner surface of the faceplate. The support structure according to the invention comprises a hollow shell filled with at least two devitrified solder glass compositions each having a different viscosity when in the form of an undevitrified solder glass paste. A process for manufacturing the inventive mask support structure is also provided.