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:
Mar. 17, 2026
Filed:
Oct. 06, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Manabu Otsuka, Kanagawa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An object is to provide a channel-forming substrate capable of suppressing protrusion of a bonding adhesive while maintaining rigidity. The channel-forming substrate includes a first substrate in which a hollow portion to be a liquid channel is formed and a second substrate bonded to the first substrate with a bonding adhesive, in the first substrate, a plurality of first grooves are intermittently formed in a bonding surface bonded to the second substrate, in the second substrate, a plurality of second grooves are intermittently formed in a bonding surface bonded to the first substrate, and in a case where the channel-forming substrate is viewed from above, the first grooves and the second grooves are arranged alternately so as to surround the hollow portion.