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:
Oct. 26, 2004
Filed:
Dec. 17, 2002
Applicant:
Inventors:
Tatsuya Hiwatashi, Fukuoka, JP;
Tohru Nakagawa, Shiga, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/14 ; B41J 2/135 ;
U.S. Cl.
CPC ...
B41J 2/14 ; B41J 2/135 ;
Abstract
In manufacturing a nozzle plate for an ink-jet printer including a nozzle hole to jet ink formed so as to penetrate the nozzle plate in the thickness direction thereof and a water-repellent film formed on an ink downstream-side surface of the both sides of the nozzle plate at which the nozzle hole is opened, firstly the water-repellent film is formed by Sol-Gel process, and then the nozzle hole is formed. A thickness of the water-repellent film is formed less than 1 &mgr;m.