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. 11, 2015
Filed:
Oct. 01, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Seiko Minami, Warabi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid ejection head including a substrate having an ejection-energy-generating element for generating energy for ejecting a liquid; an orifice plate including at least an ejection-orifice-forming wall that constitutes an ejection orifice for ejecting the liquid and an upper wall of a liquid chamber communicating with the ejection orifice, and a liquid chamber side wall that constitutes a side wall of the liquid chamber. The orifice plate is formed of an inorganic material. The liquid ejection head includes a plurality of liquid chambers; and an elastic member filled into a depressed portion formed between the liquid chamber side wall of one liquid chamber of the liquid chambers adjacent to each other and the liquid chamber side wall of the other liquid chamber. The upper end of the elastic member is arranged in a position higher than an upper face of the ejection-orifice-forming wall.