SEMICONDUCTOR MEMORY DEVICE

A semiconductor memory device includes a conductive layer on a source side; a first electrode layer provided on the conductive layer; a second electrode layer provided between the conductive layer and the first electrode layer; a semiconductor layer extending through the first electrode in a first d...

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Hauptverfasser: Hamanaka Hironobu, Kanno Hiroshi, ISHIDA Tatsuo
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creator Hamanaka Hironobu
Kanno Hiroshi
ISHIDA Tatsuo
description A semiconductor memory device includes a conductive layer on a source side; a first electrode layer provided on the conductive layer; a second electrode layer provided between the conductive layer and the first electrode layer; a semiconductor layer extending through the first electrode in a first direction from the conductive layer to the first electrode layer; a first semiconductor body provided between the conductive layer and the semiconductor layer, the first semiconductor body including first impurities; and a second semiconductor body provided between the conductive layer and the first semiconductor body, the second semiconductor body including second impurities with a higher concentration than a concentration of the first impurities in the first semiconductor body. A diffusion coefficient of the second impurities in the second semiconductor body is smaller than a diffusion coefficient of the second impurities in the first semiconductor body.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title SEMICONDUCTOR MEMORY DEVICE
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