ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,786,646, issued on Nov. 3, was assigned to XMEMS TAIWAN Co. LTD. (Hsinchu County, Taiwan).

"Acoustic testing device, fixture structure, testing board and acoustic testing method" was invented by Wei-Yang Li (Hsinchu County, Taiwan) and Hai-Hung Wen (Hsinchu County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic testing device includes a substrate, an acoustic component, a fixture component and an acoustic sensing component. The substrate has a first and a second surfaces and a substrate opening. The acoustic component has a first side and a second side and is disposed on the first surface of the substrate and corresponding to the subst...