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. 16, 2016
Filed:
Mar. 06, 2014
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Takashi Kawakubo, Kanagawa, JP;
Kazuhide Abe, Kanagawa, JP;
Yasushi Tomizawa, Tokyo, JP;
Ryuichi Arai, Shizuoka, JP;
Ryutaro Kusunoki, Shizuoka, JP;
Osamu Takagi, Tokyo, JP;
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An ink jet head includes: a pressure chamber to be filled with ink formed in a pressure chamber structure, the pressure chamber in which an etching limiter made of a material different from a material of the pressure chamber structure is formed on an inner wall surface of the pressure chamber; a nozzle plate comprising a nozzle that leading to the pressure chamber and a movable range fitted to the etching limiter; and a flat driver comprising a piezoelectric body to operate the movable range and arranged on the nozzle plate.