ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,624, issued on Sept. 15, was assigned to SKY TECH INC. (Hsinchu County, Taiwan).

"Holder plate for negative pressure chucking, holder device for negative pressure chucking, and de-bonding station" was invented by Jung-Hua Chang (Hsinchu County, Taiwan), Ching-Liang Yi (Hsinchu County, Taiwan) and Ta-Hao Kuo (Hsinchu County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A holder plate for negative pressure chucking, in which the holder plate is plate body comprising a holding surface and a bottom surface. Air passages are formed inside the holder plate and communicates the holding surface and the bottom surface, and the air passages form a p...