ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,772,740, issued on Oct. 20, was assigned to FUJIFILM Corp. (Tokyo).
"Piezoelectric laminate and piezoelectric element" was invented by Hiroyuki Kobayashi (Kanagawa, Japan) and Kenichi Umeda (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric laminate and a piezoelectric element, including on a substrate in the following order, a lower electrode layer, and a piezoelectric film, in which a region of the lower electrode layer, the region being in contact with the piezoelectric film, is constituted of a metal layer, where a (111) plane of the metal layer has an inclination of 1deg or more with respect to a surface of the substrat...