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:
Dec. 09, 2003
Filed:
Aug. 07, 2002
Applicant:
Inventor:
Kimio Amemiya, Yamanashi-ken, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/749 ;
U.S. Cl.
CPC ...
H01J 1/749 ;
Abstract
Each of partition walls comprises vertical walls each positioned between adjacent discharge cells C in the row direction and extending in the column direction to form a partition between the adjacent discharge cells C and transverse walls bridging the vertical walls to define a top and bottom edge of the discharge cells C Each of the transverse walls of the partition wall is provided in a shape that its central part j located midway between adjacent vertical walls protrudes beyond its part j coupled to the vertical wall toward the outside of the discharge cell C in the column direction.