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:
Apr. 20, 2021
Filed:
May. 29, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided are a liquid ejection head capable of preventing deformation and breakage of a filter and a method of manufacturing the liquid ejection head. The liquid ejection head comprises: a substrate comprising a supply port through which to supply a liquid and an element configured to produce energy for ejecting the liquid; a resin layer comprising an ejection port through which the liquid is ejectable with the energy produced by the element, and a flow channel connecting the supply port and the ejection port; a filter disposed between the supply port and the flow channel; and a support portion supporting a surface of the filter on the supply port side and a surface of the filter on the flow channel side.