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:
May. 14, 2024
Filed:
Jun. 15, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Yuji Tamaru, Tokyo, JP;
Kyosuke Toda, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid ejection head includes a recording element substrate having a substrate provided with a plurality of flow paths for liquid to be ejected on a recording material by a recording element and a cover member that is provided with a plurality of communication holes in communication with the plurality of flow paths and that is joined to the substrate, a liquid supply member supplying the liquid to the plurality of flow paths through the plurality of communication holes of the cover member, and an adhesive member adhering the cover member and the liquid supply member. At least a part of an abutment region of the cover member in abutment against the substrate and apart from a region provided with the plurality of communication holes has a cover member opening for contacting the adhesive member and the substrate to each other.