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. 27, 2007
Filed:
Apr. 11, 2002
Applicants:
Takaaki Miyamoto, Kanagawa, JP;
Minoru Kohno, Tokyo, JP;
Inventors:
Takaaki Miyamoto, Kanagawa, JP;
Minoru Kohno, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/05 (2006.01);
U.S. Cl.
CPC ...
Abstract
To ensure satisfactory reliability even if the wiring pattern is formed of a wiring material having an enhanced electromigration resistance, by providing a protective layer for protecting heating elements from dry etching for forming a wiring pattern, on the ink chamber side or other liquid chamber side of each heating element.