US Patent Issued to Ricoh on Feb. 10 for "Actuator, liquid discharge head, liquid discharge apparatus, and method of manufacturing actuator" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,026, issued on Feb. 10, was assigned to Ricoh Co. Ltd. (Tokyo).

"Actuator, liquid discharge head, liquid discharge apparatus, and method of manufacturing actuator" was invented by Tsutoh Aoyama (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An actuator includes a substrate, a vibration film, and a piezoelectric element. The substrate has a void space having a first width, defined by opposed inner walls, in a width direction. The vibration film is disposed over the substrate in a lamination direction perpendicular to the width direction. The vibration film serves as a part of a wall of the void space. The piezoelectric element is dis...