Sandisk Technologies Inc.

Ching Huang Lu

Henry Chin

Changyuan Chen

Vinh Diep

Systems, methods, and devices of the various embodiments provide both 'string-sharing' drain select gate electrodes and 'string-selective' drain select gate electrodes in vertical NAND strings. Various embodiments may provide two or more vertical NAND strings sharing a common drain select gate electrode while also having separate additional drain select gate electrodes not electrically connected across the two or more vertical NAND strings.

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Fremont, CA, United States of America

Ching Huang Lu