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:
Apr. 17, 2012
Filed:
Jul. 08, 2009
Akira Yamamoto, Yokohama, JP;
Katsuhiko Takano, Yokohama, JP;
Junji Yasuda, Kawasaki, JP;
Manabu Sueoka, Yokohama, JP;
Toshiaki Hirosawa, Hiratsuka, JP;
Akira Yamamoto, Yokohama, JP;
Katsuhiko Takano, Yokohama, JP;
Junji Yasuda, Kawasaki, JP;
Manabu Sueoka, Yokohama, JP;
Toshiaki Hirosawa, Hiratsuka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
There is inexpensively and simply provided a highly reliable printing head including a printing element substrate which is located with high positioning precision and therefore causes no occurrence of ink leak regardless of the printing head having a large printing width. An ink jet printing head comprises a plurality of printing element substrates, in each of which a plurality of ejecting openings, printing elements and an ink supply opening are provided, a support member and an ink supply member. The support member is formed of a first member and a second member that is integral with the first member so as to surround the first member, and the support member and the ink supply member are bonded in such a manner that bonding faces of the first member and the second member, and the second member are not in contact with the opening.