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. 13, 2010
Filed:
Feb. 20, 2007
Tomohiko Koda, Ibaraki, JP;
Satoru Tobita, Ibaraki, JP;
Takashi Sato, Ibaraki, JP;
Yoshinari Suzuki, Ibaraki, JP;
Tomohiko Koda, Ibaraki, JP;
Satoru Tobita, Ibaraki, JP;
Takashi Sato, Ibaraki, JP;
Yoshinari Suzuki, Ibaraki, JP;
Ricoh Printing Systems, Ltd., Tokyo, JP;
Abstract
A disclosed inkjet head includes an ink channel unit formed by stacking a channel plate having a nozzle hole formed therein, a channel plate having a pressure chamber formed therein, and a channel plate having a restrictor formed therein and by bonding the channel plates together by diffusion bonding, which channel plates have substantially the same thickness; a pressure generating source attached to a surface of the ink channel unit and configured to generate pressure to jet ink; and a housing formed by stacking housing plates and by bonding the housing plates together by diffusion bonding and configured to hold the ink channel unit, which housing plates have substantially the same thickness as that of the channel plates.