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. 03, 2012
Filed:
Aug. 07, 2009
Yoshifumi Hano, Chino, JP;
Masahiro Fujii, Shiojiri, JP;
Yoshifumi Hano, Chino, JP;
Masahiro Fujii, Shiojiri, JP;
Seiko Epson Corporation, , JP;
Abstract
To provide an electrostatic actuator capable of attaining a large diaphragm displacement by low voltage drive. Furthermore, a droplet discharge head provided with this electrostatic actuator, a method for driving a droplet discharge head, and a method for manufacturing an electrostatic actuator are provided. A diaphragm, an individual electrodefacing the diaphragmwith a gaptherebetween, while a voltage is applied between the diaphragmand the individual electrode, and an insulating filmwhich is disposed on a surface of the diaphragm, the surface facing the individual electrode, are included, wherein the insulating filmis converted to an electret.