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:
Nov. 15, 2005
Filed:
Oct. 16, 2002
Seiichi Tamura, Kanagawa, JP;
Genzo Momma, Kanagawa, JP;
Yukihiro Hayakawa, Kanagawa, JP;
Yoshinori Kawasaki, Kanagawa, JP;
Seiichi Tamura, Kanagawa, JP;
Genzo Momma, Kanagawa, JP;
Yukihiro Hayakawa, Kanagawa, JP;
Yoshinori Kawasaki, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide a heating resistor film having a sufficiently high durability to repetitive pulse applications, a recording head substrate including the heating resistor film, a recording head, and a recording apparatus. A heating resistor film that generates heat energy using currents flowing from a wire in a heat acting portion of a recording head substrate, is made of amorphous tantalum silicon nitride having a sheet resistance of 200 Ω/□ to 400 Ω/□, and has a thickness of 30 nm to 80 nm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile