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:
May. 22, 2001
Filed:
Mar. 12, 1999
Applicant:
Inventors:
Toshihide Murakami, Funabashi, JP;
Tsunehiko Sugawara, Funabashi, JP;
Assignee:
Asahi Glass Company Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 3/100 ;
U.S. Cl.
CPC ...
H01J 3/100 ;
Abstract
A glass panel for an implosion-protected type cathode ray tube is provided with a compressive stress of 7 MPa-30 MPa in an outer surface of a face portion and a relation of R,≧0.017D+4.0 between the radius of curvature R,of an outer surface of a blend R portion,in a diagonal portion of the glass panel and the largest outer diameter D of the glass panel Further, when the face portion is substantially flat, there is a relation of T,≦0.014D+11.0 wherein T,is the largest wall thickness of the blend R portion.