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:
Oct. 06, 2026
Filed:
Oct. 21, 2024
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Hikaru Sugimoto, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1433 (2013.01); B41J 2/162 (2013.01); B41J 2/164 (2013.01);
Abstract
A liquid ejection head includes a substrate, and a member provided on the substrate. The member has an ejection orifice or ejection orifices formed therein to eject a liquid. The member is formed of a water repellent layer having a multilayer structure including a first water repellent layer as an outermost layer and a second water repellent layer provided directly below the first water repellent layer. The first water repellent layer has a water contact angle of 80° or more, while the second water repellent layer has a flexural modulus of 3 to 7 GPa or a hardness of 0.18 to 0.30 GPa.