US Patent Issued to SK hynix on Oct. 28 for "Semiconductor device and method for manufacturing the same" (South Korean Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,788, issued on Oct. 28, was assigned to SK hynix Inc. (Icheon-si, South Korea).

"Semiconductor device and method for manufacturing the same" was invented by Jae Ho Kim (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a first contact plug penetrating a source structure, the first contact plug having a first portion having a first width and a second portion having a second width that is larger than the first width, a stack formed on the source structure and the first contact plug, a second contact plug penetrating the stack, the second contact plug connected to the first contact plug, a first space...