US Patent Issued to Sandisk Technologies on Oct. 28 for "Three-dimensional memory device including laterally separated source lines and method of making the same" (California Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,499, issued on Oct. 28, was assigned to Sandisk Technologies Inc. (Milpitas, Calif.).

"Three-dimensional memory device including laterally separated source lines and method of making the same" was invented by Masaaki Higashitani (Cupertino, Calif.), James Kai (Santa Clara, Calif.) and Johann Alsmeier (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A memory device includes a first memory block containing first word lines and a first source layer segment, and a second memory block containing second word lines and a second source layer segment which is electrically isolated from the first source layer segment. The first word lines in t...