ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,563, issued on March 11, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Semiconductor device" was invented by Donguk Kim (Seoul, South Korea), Jinhee Hong (Hwaseong-si, South Korea) and Jinmo Kwon (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a substrate comprising a redistribution layer, a ball land provided on a bottom surface of the redistribution layer, a passivation layer surrounding the ball land on the bottom surface of the redistribution layer and spaced apart from the ball land by a space region formed between the passivation layer and the ball land, and a sig...