US Patent Issued to Kioxia on April 14 for "Three dimensional semiconductor memory including pillars having joint portions between columnar sections" (Japanese Inventor)

ALEXANDRIA, Va., April 15 -- United States Patent no. RE50,869, issued on April 14, was assigned to Kioxia Corp. (Tokyo).

"Three dimensional semiconductor memory including pillars having joint portions between columnar sections" was invented by Hideto Takekida (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a semiconductor memory includes a plurality of conductors stacked with insulators being interposed therebetween and a pillar through the plurality of conductors. The pillar includes a first columnar section, a second columnar section, and a joint portion between the first columnar section and the second columnar section. The pillar comprises portions that cross t...