US Patent Issued to Taiwan Semiconductor Manufacturing on Feb. 18 for "Fatigue-free bipolar loop treatment to reduce imprint effect in piezoelectric device" (Taiwanese Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,232,424, issued on Feb. 18, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).

"Fatigue-free bipolar loop treatment to reduce imprint effect in piezoelectric device" was invented by Chi-Yuan Shih (Hsinchu, Taiwan), Shih-Fen Huang (Jhubei, Taiwan), You-Ru Lin (New Taipei, Taiwan) and Yan-Jie Liao (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some embodiments, the present disclosure relates to a method in which a first set of one or more voltage pulses is applied to a piezoelectric device over a first time period. During the first time period, the method determines whether a performance parameter of the pie...