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:
Jul. 30, 2019
Filed:
May. 22, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Kinya Ozawa, Shiojiri, JP;
Kazuhiko Hara, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/035 (2006.01); B41J 2/16 (2006.01); B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14451 (2013.01); B41J 2/035 (2013.01); B41J 2/14314 (2013.01); B41J 2/161 (2013.01); B41J 2/0458 (2013.01); B41J 2/14 (2013.01); B41J 2002/14258 (2013.01);
Abstract
A liquid ejecting head has a nozzle forming surface to which a nozzle section through which liquid is ejected is open, wherein an electrostatic propensity of the nozzle section due to contact with the liquid is lower than an electrostatic propensity of the nozzle forming surface due to contact with the liquid. The amount of fluorine per unit area in the nozzle section is smaller than the amount of fluorine per unit area in the nozzle forming surface.