ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,421, issued on Dec. 30, was assigned to SK hynix Inc. (Icheon, South Korea).
"Semiconductor device including guard ring" was invented by Bin Woo (Icheon, South Korea) and Seung In Shin (Icheon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes: a semiconductor substrate; and a guard ring including a plurality of conductive patterns stacked over the semiconductor substrate in a first direction to be spaced apart from each other, and a conductive plug disposed between two adjacent conductive patterns among the plurality of conductive patterns, the first direction being perpendicular to a top surface of the semi...