US Patent Issued to CANON on June 16 for "Liquid ejection head substrate and liquid ejection head" (Japanese Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,466, issued on June 16, was assigned to CANON K.K. (Tokyo).

"Liquid ejection head substrate and liquid ejection head" was invented by Takeru Yasuda (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object is suppressing the reduction in the gas barrier property in a case where the cavitation resistance layer becomes thin. An embodiment of the present invention is a liquid ejection head substrate, including: a first layer that forms a heating element that generates heat energy to eject a liquid; a second layer that functions as an electric wiring connected with the heating element; a third layer that is insulative and covers the firs...