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:
Jan. 05, 2010
Filed:
Sep. 14, 2005
Tomoyuki Sagara, Nara, JP;
Yoshinori Nakajima, Nara, JP;
Tomoyuki Sagara, Nara, JP;
Yoshinori Nakajima, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
An ink jet head has a plurality of first ink chambers () front end portions of which open at an end surface (A) of the substrate and rear end portions of which are blocked, and a plurality of second ink chambers () front end portions of which open at an end surface (B) on the opposite side to the end surface (A) and rear end portions of which are blocked. Furthermore, this ink jet head has electrodes formed upon inner walls of the first ink chambers () and the second ink chambers (), a first common ink chamber () formed between the rear end portions of the second ink chambers () and the end surface (A) and communicated with the first ink chambers (), and a second common ink chamber () formed between the rear end portions of the first ink chambers () and the end surface (B) and communicated with the second ink chambers (). And this ink jet head has a nozzle plate covering the first ink chambers () and the second ink chambers (), and having nozzle holes formed to correspond to those ink chambers.