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:
Mar. 06, 2012
Filed:
Jul. 22, 2010
Ichiro Saito, Yokohama, JP;
Teruo Ozaki, Yokohama, JP;
Takahiro Matsui, Yokohama, JP;
Sakai Yokoyama, Kawasaki, JP;
Takuya Hatsui, Tokyo, JP;
Kazuaki Shibata, Kawasaki, JP;
Ichiro Saito, Yokohama, JP;
Teruo Ozaki, Yokohama, JP;
Takahiro Matsui, Yokohama, JP;
Sakai Yokoyama, Kawasaki, JP;
Takuya Hatsui, Tokyo, JP;
Kazuaki Shibata, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a liquid discharge head substrate including: a substrate; a heating resistor layer formed on the substrate; a flow path for a liquid; a wiring layer stacked on the heating resistor layer and having an end portion which forms a step portion on the heating resistor layer; and a protective layer covering the heating resistor layer and the wiring layer including the step portion, and formed between the heating resistor layer and the flow path, in which the protective layer is formed by a Cat-CVD method.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile