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:
May. 28, 2013
Filed:
Nov. 27, 2008
Kazuaki Shibata, Yokohama, JP;
Ichiro Saito, Yokohama, JP;
Takahiro Matsui, Yokohama, JP;
Teruo Ozaki, Yokohama, JP;
Hirokazu Komuro, Yokohama, JP;
Kazuaki Shibata, Yokohama, JP;
Ichiro Saito, Yokohama, JP;
Takahiro Matsui, Yokohama, JP;
Teruo Ozaki, Yokohama, JP;
Hirokazu Komuro, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A base for a liquid discharge head includes a heat element which forms an exothermic portion, an electrode wire that is electrically connected with the heat element, an insulative protective layer provided above the heat generating resistive element and the electrode wire and an upper protective layer provided on the protective layer. The upper protective layer is made from a TaSi alloy containing 22 at. % or more Si.