US Patent Issued to Sandisk Technologies on July 28 for "Valley search scan bit line selection method to address memory hole and string process variation" (California Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,694,938, issued on July 28, was assigned to Sandisk Technologies Inc. (Milpitas, Calif.).

"Valley search scan bit line selection method to address memory hole and string process variation" was invented by Chin-Yi Chen (San Jose, Calif.), Ravi Kumar (Redwood City, Calif.) and Deepanshu Dutta (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A memory apparatus and operating method are provided. The apparatus includes memory cells connected to one of a plurality of word lines and disposed in memory holes coupled to bit lines. The memory cells are configured to retain a threshold voltage corresponding to one of a plurality of data states. A co...