US Patent Issued to Seiko Epson on July 14 for "Liquid ejecting head and manufacturing method" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,091, issued on July 14, was assigned to Seiko Epson Corp. (Tokyo).

"Liquid ejecting head and manufacturing method" was invented by Shotaro Tamai (Matsumoto, Japan) and Sosuke Yamasaki (Shiojiri, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a liquid ejecting head, a flow channel substrate and a pressure chamber substrate are bonded by an adhesive. The pressure chamber substrate includes a first opening formed exposing at least a portion of a diaphragm to a pressure chamber space, a second opening coupling the pressure chamber space to a flow channel formed in the flow channel substrate, at least one wall portion being an inner wall portion...