US Patent Issued to ROHM on May 13 for "Transducer and electronic device" (Japanese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,302,047, issued on May 13, was assigned to ROHM Co. LTD. (Kyoto, Japan).

"Transducer and electronic device" was invented by Takashi Naiki (Kyoto, Japan), Noriyuki Shimoji (Kyoto, Japan) and Tomohiro Date (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transducer includes: a film support portion having a hollow portion; a vibration film displaceable in a film thickness direction; a piezoelectric element, the piezoelectric element including a pair of electrodes and a piezoelectric film; and in regions overlapping the hollow portion, a plurality of first regions having a first total film thickness which is a sum of a film thickness of the vi...