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:
Dec. 09, 2003
Filed:
Aug. 19, 2002
Ken Ikegame, Tokyo, JP;
Yoshiaki Suzuki, Kanagawa-ken, JP;
Toshio Kashino, Kanagawa-ken, JP;
Shuji Koyama, Kanagawa-ken, JP;
Masashi Miyagawa, Kanagawa-ken, JP;
Junji Tatsumi, Kanagawa-ken, JP;
Hiroaki Mihara, Tokyo, JP;
Miki Ito, Kanagawa-ken, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head having plural liquid paths and plural discharge openings is formed by joining an adhesion face of an orifice plate with an adhesion face of a head main body—The liquid paths are formed upon joining an element substrate and a ceiling substrate which comprise the head main body. Apertures of the liquid paths are provided in the adhesion face of the head main body, and a protruding portion is provided in the adhesion face of the orifice plate. The protruding portion has a shape corresponding to the cross-sectional shape of one of the liquid paths, and one of the discharge openings is provided in the protruding portion. The protruding portion or a part thereof fits into one of the liquid paths, and is inserted into the liquid path for joining the adhesion face of the orifice plate with the adhesion face of the head main body.