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:
Jul. 09, 2002
Filed:
Oct. 26, 1999
Wataru Takahashi, Kawasaki, JP;
Masanori Takenouchi, Yokohama, JP;
Ken Hosaka, Yokohama, JP;
Shin Ishimatsu, Yokohama, JP;
Shigeki Fukui, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet recording head comprising an element base having a plurality of energy generating elements for generating energy used for discharging ink, a grooved top plate having a plurality of grooves corresponding to the plurality of energy generating elements, being joined to the element base, and having a plurality of ink flow channels formed by the plurality of grooves on a joint area side to the element base, an orifice plate having a plurality of orifices having communication with the plurality of ink flow channels respectively and being mounted on the grooved top plate integrally, and a chip tank having supply passages for supplying ink to the plurality of ink flow channels.