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. 20, 2004
Filed:
Mar. 12, 2002
Applicant:
Inventors:
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
H01J 3/100 ;
U.S. Cl.
CPC ...
H01J 3/100 ;
Abstract
When a face portion of a panel portion has a central wall thickness of T , an end of a useful screen area has a wall thickness of T , a sealing end surface of a skirt portion has is a width of T , and an intermediate part of a body portion of a funnel portion is T , there are established the formulas of; T /T ≧1.70, T /T =0.43−0.50, and T /T =0.37−0.49, and a strengthened compressive stress of 5-14 MPa is applied to a side of the skirt portion.