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. 30, 2002
Filed:
Jul. 09, 1997
Kiyomitsu Kudo, Yokohama, JP;
Hiroshi Sugitani, Machida, JP;
Kazuaki Masuda, Kawasaki, JP;
Masami Ikeda, Tokyo, JP;
Akio Saito, Machida, JP;
Tsuyoshi Orikasa, Musashimurayama, JP;
Toshio Kashino, Chigasaki, JP;
Shuji Koyama, Kawasaki, JP;
Hiroyuki Sugiyama, Sagamihara, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides a liquid discharging head comprising a substrate having a plurality of heat generating elements for generating a bubble in liquid and a grooved member having a plurality of grooves constituting a plurality of liquid passages and wherein the liquid passages for respective heat generating elements are formed by joining the grooved member to the substrate and further wherein the grooved member has an opening portion into which the substrate is inserted and the opening portion has the plurality of grooves which constitute the liquid passages for the respective heat generating elements when the substrate is inserted into the opening portion.