US Patent Issued to INNOSCIENCE (SUZHOU) SEMICONDUCTOR on March 18 for "Wafer holder and operating method of the same" (Chinese Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,085, issued on March 18, was assigned to INNOSCIENCE (SUZHOU) SEMICONDUCTOR Co. LTD. (Suzhou, China).

"Wafer holder and operating method of the same" was invented by Xudong Zhu (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wafer holder includes a carrier plate, and blocking devices. The carrier plate includes a base and a guiding structure. The base has a carrier surface. The guiding structure surrounds the base. The blocking devices are coupled to the carrier plate through the guiding structure, and the blocking devices are configured to move along the guiding structure. Each of the blocking devices has a curved wall, and the cur...