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:
Feb. 04, 2003
Filed:
May. 25, 2001
Applicant:
Inventors:
Hitoshi Isono, Tenri, JP;
Yoshinori Nakajima, Joyo, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/16 ;
U.S. Cl.
CPC ...
B41J 2/16 ;
Abstract
An ink jet head which has been improved to enable reliable connection of an electrode to an external portion without increasing manufacturing cost is provided. The ink jet head includes a base member, a cover member, a nozzle plate, and a plurality of electrode connecting portions. The electrode connecting portions are electrically isolated by second grooves formed in the surface of the base member. The surface of the electrode connecting portions are substantially flush with the upper surfaces of the walls.