US Patent Issued to MURATA MANUFACTURING on April 14 for "Acoustic wave device" (Japanese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,638, issued on April 14, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Acoustic wave device" was invented by Tetsuya Kimura (Nagaokakyo, Japan), Takashi Yamane (Nagaokakyo, Japan), Sho Nagatomo (Nagaokakyo, Japan) and Yuji Toyota (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a piezoelectric layer made of lithium niobate or lithium tantalate, and at least one pair of electrodes opposed to each other in a direction intersecting a thickness direction of the piezoelectric layer. When d is a thickness of the piezoelectric layer and p is a distance between centers of electrodes adjacen...