Non-volatile memory device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9536894
APP PUB NO 20160035741A1
SERIAL NO

14619581

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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According to an embodiment, a non-volatile memory device includes first electrodes arranged in a first direction, a second electrode disposed on a side of the first electrodes in the first direction, a semiconductor layer extending in the first direction through the first electrodes and the second electrode, and a memory film provided between the semiconductor layer and each of the first electrodes. The semiconductor layer includes crystal grains and has a first portion and a second portion, the first portion being adjacent to the first electrodes, and the second portion being adjacent to at least a part of the second electrode, wherein the first portion includes a larger crystal grain than a crystal grain in the second portion.

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Patent Owner(s)

  • TOSHIBA MEMORY CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Izumida, Takashi Kanagawa, JP 67 786
Kondo, Masaki Mie, JP 240 2225
Nakai, Tsukasa Mie, JP 59 570
Tajima, Hikari Tokyo, JP 19 62
Tokuhira, Hiroki Kanagawa, JP 30 88

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