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. 06, 2010
Filed:
Jul. 14, 2005
Toshiaki Hirosawa, Hiratsuka, JP;
Shuzo Iwanaga, Kawasaki, JP;
Yasutomo Watanabe, Hiratsuka, JP;
Riichi Saito, Fujisawa, JP;
Toshiaki Hirosawa, Hiratsuka, JP;
Shuzo Iwanaga, Kawasaki, JP;
Yasutomo Watanabe, Hiratsuka, JP;
Riichi Saito, Fujisawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A highly reliable, compact, and inexpensive ink jet recording head, includes a liquid discharge substrate having on a front surface side a discharge port for discharging a liquid, and having, on a back surface side, a liquid supply port for supplying the liquid to be discharged from the discharge port, and an electrode for transmitting and receiving a signal to drive energy generation means for discharging the liquid from the discharge port; a film-like electrical wiring member joined to the back surface of the liquid discharge substrate, the film-like electrical wiring member including a liquid supply hole communicating with the liquid supply port of the liquid discharge substrate, and an electrical connection portion connected to the electrode; and a retaining member for retaining the liquid discharge substrate with the electrical wiring member interposed therebetween, the retaining member including a liquid supply port for supplying the liquid to the liquid supply port of the liquid discharge substrate.