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. 02, 2018
Filed:
Sep. 09, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Kenji Yabe, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid ejection head for ejecting a liquid includes a substrate provided with an energy generating element and a liquid supply port; a flow path forming member including an ejection opening for ejecting a liquid; and a pressure chamber communicating with the ejection opening and including the energy generating element therein and a flow path through which the pressure chamber and the liquid supply port communicate with each other, the pressure chamber and the flow path being provided between the substrate and the flow path forming member. A portion of the flow path forming member which extends from an area facing the liquid supply port to an area facing a part of the flow path extending from the liquid supply port to the pressure chamber has a thickness greater than that of a portion of the flow path forming member which faces the pressure chamber.