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. 28, 2004
Filed:
Feb. 11, 2002
Hiroaki Mihara, Tokyo, JP;
Masahiko Ogawa, Tokyo, JP;
Kazuaki Masuda, Kawasaki, JP;
Masami Ikeda, Tokyo, JP;
Ichiro Saito, Yokohama, JP;
Hiroyuki Ishinaga, Tokyo, JP;
Toshio Kashino, Chigasaki, JP;
Shuji Koyama, Kawasaki, JP;
Tomoyuki Hiroki, Zama, JP;
Yoshiyuki Imanaka, Kawasaki, JP;
Teruo Ozaki, Yokohama, JP;
Masahiko Kubota, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head is provided with discharge ports for discharging liquid, liquid flow paths communicated with the discharge ports for supplying liquid to the discharge ports, a substrate having heat generating members for creating bubbles in the liquid, and movable members facing the heat generating members and being arranged in the liquid flow paths. The movable members have a free end on the discharge port side with a specific gap with respect to the heat generating members. The movable member is fixed to the substrate above the heat generating member on the substrate.