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:
Aug. 10, 2004
Filed:
Dec. 02, 2002
Applicant:
Inventors:
Takaaki Miyamoto, Kanagawa, JP;
Shogo Ono, Kanagawa, JP;
Osamu Tateishi, Nagasaki, JP;
Toshimitsu Sato, Nagasaki, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/05 ;
U.S. Cl.
CPC ...
B41J 2/05 ;
Abstract
The present invention relates to a liquid discharge device, and a method of manufacturing the liquid discharge device. Particularly, the present invention relates to a liquid discharge device in a system in which droplets are ejected by heating with a heating element, and which is capable of effectively avoiding deterioration in reliability due to damage to a protecting layer. In the present invention, heat treatment is performed for stabilizing the connection between the heating element and a wiring pattern, and then an anti-cavitation layer is formed.