ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,676, issued on March 31, was assigned to TXC Corp. (Taipei City, Taiwan).

"Resonator" was invented by Tzu-Hsiu Peng (Taoyuan City, Taiwan), Wei-Chen Lo (Taoyuan City, Taiwan) and Zong-De Lin (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A resonator including a vibration structure, a first electrode, and a second electrode is provided. The vibration structure includes a vibration region, a protrusion portion, an opening, and a frame portion. The vibration region has a first surface and a second surface opposite to the first surface. The protrusion portion surrounds the vibration region. The opening is disposed at a side of the...