Semiconductor memory device with a three-dimensional stacked memory cell structure

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United States of America

PATENT NO 12185538
APP PUB NO 20210375923A1
SERIAL NO

17398654

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Abstract

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A semiconductor memory device comprises: a semiconductor substrate; a plurality of memory units provided on the semiconductor substrate and each including a plurality of memory cells that are stacked; and a plurality of bit lines formed above each of a plurality of the memory units aligned in a column direction, an alignment pitch in a row direction of the plurality of bit lines being less than an alignment pitch in the row direction of the memory units, and an end of each of the memory units aligned in the column direction being connected to one of the plurality of bit lines formed above the plurality of the memory units aligned in the column direction.

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Patent Owner(s)

  • KIOXIA CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hishida, Tomoo Yokohama, JP 28 765
Iwata, Yoshihisa Yokohama, JP 192 4520

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