US Patent Issued to Qisda on Jan. 13 for "Ultrasonic oscillator element and ultrasonic transducer device" (Taiwanese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,761, issued on Jan. 13, was assigned to Qisda Corp. (Taoyuan, Taiwan).

"Ultrasonic oscillator element and ultrasonic transducer device" was invented by Fu-Sheng Jiang (Taoyuan, Taiwan) and Yang-Zong Fan (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonic oscillator element, including a substrate, a first lower electrode, a first insulating layer, a second insulating layer, a second lower electrode, a first upper electrode, and a third insulating layer. The first lower electrode is disposed on the substrate. The first insulating layer is disposed so that the first lower electrode is located between the first insulating layer...