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:
Mar. 25, 2003
Filed:
Mar. 30, 2001
Applicant:
Inventors:
Osami Kanetoo, Chigasaki, JP;
Takehisa Yoshikawa, Yokohama, JP;
Keii Ueno, Yokohama, JP;
Naozumi Hatada, Yokohama, JP;
Satoru Endo, Shirako, JP;
Takeshi Mera, Mobara, JP;
Yoshiaki Takahashi, Chiba, JP;
Shinichi Kato, Mobara, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 2/500 ; H01J 2/950 ;
U.S. Cl.
CPC ...
H01J 2/500 ; H01J 2/950 ;
Abstract
A cathode-ray tube includes a plate having a first hole on a first surface of the plate and a second hole on a second surface of the plate. The first and second holes coupled together to allow electron beams to pass therethrough. The plate is a unitary structure. The first hole is formed by initiating a first hole formation from the first surface, and the second hole is formed by initiating a second hole formation from the second surface. The first surface is on an opposing side of the second surface.