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. 01, 2009
Filed:
Oct. 16, 2006
Naozumi Nabeshima, Kawasaki, JP;
Toru Yamane, Yokohama, JP;
Takumi Suzuki, Yokohama, JP;
Masahiko Kubota, Nakano-ku, JP;
Tamaki Sato, Kawasaki, JP;
Ryoji Kanri, Zushi, JP;
Maki Hatta, Tachikawa, JP;
Kazuhiro Asai, Kawasaki, JP;
Naozumi Nabeshima, Kawasaki, JP;
Toru Yamane, Yokohama, JP;
Takumi Suzuki, Yokohama, JP;
Masahiko Kubota, Nakano-ku, JP;
Tamaki Sato, Kawasaki, JP;
Ryoji Kanri, Zushi, JP;
Maki Hatta, Tachikawa, JP;
Kazuhiro Asai, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head includes a substrate having an energy generating element configured to generate energy required to discharge liquid, a discharge port configured to discharge the liquid and provided in an opposed relationship to the energy generating element, a wall member defining a chamber adapted to store the energy required to discharge liquid the energy being generated by the energy generating element, a discharge portion defining a fluid path connecting the chamber and the discharge port, a supply path facilitating supplying the liquid into the chamber, and a pair of hollow portions provided in the wall member, wherein the hollow portions oppose each other and sandwich at least the entire discharge port in a direction from the discharge port to the substrate, and the hollow portions are independent of the chamber.