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:
Feb. 25, 2014
Filed:
Aug. 29, 2012
Masaki Kato, Tokyo, JP;
Kiyoshi Yamaguchi, Kanagawa, JP;
Masaki Kato, Tokyo, JP;
Kiyoshi Yamaguchi, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
Disclosed is an inkjet head including a fluid channel substrate on which individual liquid chambers are arranged, the individual liquid chambers being partitioned by liquid chamber partition walls; an oscillation plate that is formed on a surface facing openings of nozzles; actuators; wiring layer patterns that supplies driving signals to the actuators, the wiring layer patterns being formed above the corresponding liquid chamber partition walls; and a supporting substrate in which concave oscillation chambers are formed, the concave oscillation chambers being partitioned by supporting substrate partition walls. A width in the short direction of the supporting substrate partition wall is smaller than a width in the short direction of the liquid chamber partition wall and greater than a width of the wiring layer pattern.