ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,988, issued on Jan. 13, was assigned to Canon K.K. (Tokyo).
"Liquid ejection head and recording apparatus" was invented by Takahito Kido (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head includes a base substrate including a flow passage of liquid formed therein; chips disposed on the base substrate and configured to eject the liquid; and a cover member disposed on the base substrate so as to surround the chips. A sealing resin is applied to gaps between a plurality of the chips and the cover member, a distance of the gaps between the chips and the cover member is non-uniform, and the gaps are each provided with ...