US Patent Issued to PIEZO STUDIO, UNIVERSITY OF YAMANASHI on March 18 for "Surface acoustic wave device" (Japanese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,610, issued on March 18, was assigned to PIEZO STUDIO INC. (Miyagi, Japan) and UNIVERSITY OF YAMANASHI (Yamanashi, Japan).

"Surface acoustic wave device" was invented by Shoji Kakio (Yamanashi, Japan) and Noritoshi Kimura (Miyagi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surface acoustic wave device includes a piezoelectric substrate formed from a Ca3Ta(Ga1-xAlx)3Si2O14 single crystal, and an interdigital electrode formed on the surface of the piezoelectric substrate and formed from Al. The interdigital electrode is configured to generate a Love-wave-type SH wave on the surface of the piezoelectric substrate. A normalized film thickne...