US Patent Issued to SK hynix on Nov. 3 for "Semiconductor memory device" (South Korean Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,294, issued on Nov. 3, was assigned to SK hynix Inc. (Icheon-si, South Korea).

"Semiconductor memory device" was invented by Jae Taek Kim (Icheon-si, South Korea) and Hye Yeong Jung (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device includes a dummy stack structure, an insulative chip guard pattern penetrating a lower portion of the dummy stack structure, and a conductive chip guard pattern which is aligned over the insulative chip guard pattern and penetrates an upper portion of the dummy stack structure."

The patent was filed on May 10, 2024, under Application No. 18/661,266.

*For further informat...