US Patent Issued to SK keyfoundry on Nov. 25 for "Non-volatile semiconductor memory device and method of manufacturing the same" (South Korean Inventor)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,484,259, issued on Nov. 25, was assigned to SK keyfoundry Inc. (Cheongju-si, South Korea).

"Non-volatile semiconductor memory device and method of manufacturing the same" was invented by Minkuck Cho (Cheongju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a first source region and a drain region disposed on a substrate; a first gate stack comprising a first floating gate and a first control gate, and disposed between the first source region and the drain region; a first select gate disposed on one sidewall of the first gate stack; a first spacer disposed on a lower sidewall of the first select gate, and di...