ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,151, issued on Aug. 12, was assigned to SEIKO EPSON Corp. (Japan).
"Head unit and liquid ejecting apparatus" was invented by Kenichi Oe (Matsumoto, Japan), Kazuya Tajima (Shiojiri, Japan) and Atsushi Soma (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A head unit to be mounted in a liquid ejecting apparatus includes: a liquid ejecting section; a first flexible substrate that transmits the electrical signal to a joining terminal of the piezoelectric element; and a second flexible substrate that transmits the electrical signal to the first flexible substrate. The second flexible substrate includes: a first region having a stack of th...