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:
Nov. 25, 2025
Filed:
Nov. 29, 2023
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1635 (2013.01); B41J 2/1623 (2013.01);
Abstract
An object is to provide a wafer, and a liquid ejection chip which are capable of preventing a decrease in yield. To that end, an adhesive agent accumulation portion is provided at which an adhesive agent coming out of a gap between a first channel substrate and a second channel substrate accumulates and stays away from a bottom of a groove.