US Patent Issued to Shenzhen Newsonic Technology on Dec. 9 for "Structure and manufacturing method of surface acoustic wave filter with interdigital transducer" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,757, issued on Dec. 9, was assigned to Shenzhen Newsonic Technology Co. Ltd. (Shenzhen, China).

"Structure and manufacturing method of surface acoustic wave filter with interdigital transducer" was invented by Guojun Weng (Shenzhen, China) and Gongbin Tang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fabrication method of a surface acoustic wave (SAW) filter includes obtaining a piezoelectric substrate, forming a first interdigital transducer (IDT) on a first portion of the piezoelectric substrate, forming a first pad metal layer on the first IDT, forming a first dielectric layer on the first portion of the piezoelectric substrat...