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:
Feb. 25, 2014
Filed:
Jul. 31, 2012
Takahiro Nakahashi, Osaka, JP;
Hiroyuki Hanato, Osaka, JP;
Takahiro Nakahashi, Osaka, JP;
Hiroyuki Hanato, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A liquid discharging nozzle of the present invention includes (i) a liquid reservoir for reserving a discharging liquid and (ii) a discharging tube connected to a bottom part of the liquid reservoir. A water-repellent layer is provided on an inner surface of the discharging tube, on an inner surface of the discharging tube, and on an inner surface of the liquid reservoir, and is a fluorinated water-repellent layer. An aluminum oxide layer and a silicon oxide layer are used as foundation layers of the fluorinated water-repellent layer. The aluminum oxide layer, the silicon oxide layer, and the fluorinated water-repellent layer, which are stacked together, have a combined thickness of not more than 25 nm. The fluorinated water-repellent layer alone has a thickness of 1 nm to 4 nm.