Storage device
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United States of America Patent
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Apr 16, 2019
Grant Date -
N/A
app pub date -
Aug 17, 2018
filing date -
Mar 22, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A storage device includes a substrate, first and second insulation layers extending in a first direction, a first conductive layer extending in the first direction between the first and second insulation layers in a second direction perpendicular to the substrate, a second conductive layer extending in the second direction, a variable resistance layer provided between the first and second conductive layers, and a first layer having a first surface contacting the first insulating layer and a second surface contacting the resistance-variable layer in a third direction. The first surface has an incline with respect to the third direction from a first portion to a second portion that is closer to the second surface than the first portion. A distance between the first portion and the second insulating layer in the second direction is larger than a distance between the second portion and the second insulating layer.
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