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:
Aug. 19, 2014
Filed:
Jun. 13, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid ejection head includes multiple tubular pressure chambers and a stacked body having first substrates and second substrates stacked alternately, in which the first substrates each have multiple first grooves and multiple second grooves formed therein, and the second substrates each has multiple third grooves formed therein, in which, in the multiple first grooves of each of the first substrates, inner surface electrodes are formed, in which counter electrodes are formed in a face of each of the second substrates, and in which a width Wof each of the inner surface electrodes, a width Wof each of the counter electrodes, and a width Wof each of the multiple first grooves satisfy a relation of W<W<W.