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:
May. 29, 2012
Filed:
Feb. 26, 2009
Applicants:
Takeshi Kijima, Saitama, JP;
Minoru Usui, Shiojiri, JP;
Inventors:
Takeshi Kijima, Saitama, JP;
Minoru Usui, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A droplet ejection device includes a pressure chamber that includes a cavity surrounded by a side wall and a bottom wall, a deformable substrate that is provided above the pressure chamber to cover the cavity and that is parallel to the bottom wall, a magnetic body having an opening that is provided above the deformable substrate and that is fixed to the deformable substrate, and a coil that is disposed above the deformable substrate, that surrounds the magnetic body, and that is fixed to a fixing portion provided above the side wall.