US Patent Issued to WiPAM on Jan. 13 for "Method of designing acoustic wave RF filter to be robust to variation in frequency response in pass band through resonance frequency modulation of IDT" (South Korean Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,942, issued on Jan. 13, was assigned to WiPAM Inc. (Seongnam-si, South Korea).

"Method of designing acoustic wave RF filter to be robust to variation in frequency response in pass band through resonance frequency modulation of IDT" was invented by Dae Kyu Yu (Seoul, South Korea), Kyoung Joon Min (Seongnam-si, South Korea) and Kyung Oh Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method for design acoustic wave RF filter robust against variations of frequency response in passband by resonance frequency modulation of IDT enabling to improve the skirt characteristics in the passband of the filt...