US Patent Issued to Sandisk Technologies on July 1 for "Three-dimensional memory device including a dummy word line with tapered corner and method of making the same" (Japanese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,349,352, issued on July 1, was assigned to Sandisk Technologies Inc. (Milpitas, Calif.).

"Three-dimensional memory device including a dummy word line with tapered corner and method of making the same" was invented by Nobuyuki Fujimura (Yokkaichi, Japan), Takashi Kudo (Yokkaichi, Japan), Shunsuke Takuma (Yokkaichi, Japan) and Satoshi Shimizu (Yokkaichi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A memory device includes at least one alternating stack of insulating layers and electrically conductive layers, a memory opening vertically extending through the at least one alternating stack, and a memory opening fill structure located in the memory o...