US Patent Issued to CANON on March 17 for "Channel-forming substrate, print head, and method of manufacturing channel-forming substrate" (Japanese Inventor)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,641, issued on March 17, was assigned to CANON K.K. (Tokyo).

"Channel-forming substrate, print head, and method of manufacturing channel-forming substrate" was invented by Manabu Otsuka (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 form...