Semiconductor device with vertical memory
First Claim
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1. A semiconductor device, comprising:
- a driving circuit region on a substrate to control driving signals;
a polysilicon layer on the driving circuit region;
a memory cell array region on the polysilicon layer and overlapping the driving circuit region, the driving circuit region being under the memory cell array region;
an upper interconnection layer on the memory cell array region; and
a vertical contact through the memory cell array region and the polysilicon layer, the vertical contact connecting the upper interconnection layer to the driving circuit region.
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Abstract
A semiconductor device includes a peripheral circuit region on a substrate, a polysilicon layer on the peripheral circuit region, a memory cell array region on the polysilicon layer and overlapping the peripheral circuit region, the peripheral circuit region being under the memory cell array region, an upper interconnection layer on the memory cell array region, and a vertical contact through the memory cell array region and the polysilicon layer, the vertical contact connecting the upper interconnection layer to the peripheral circuit region.
36 Citations
20 Claims
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1. A semiconductor device, comprising:
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a driving circuit region on a substrate to control driving signals; a polysilicon layer on the driving circuit region; a memory cell array region on the polysilicon layer and overlapping the driving circuit region, the driving circuit region being under the memory cell array region; an upper interconnection layer on the memory cell array region; and a vertical contact through the memory cell array region and the polysilicon layer, the vertical contact connecting the upper interconnection layer to the driving circuit region. - View Dependent Claims (2, 3, 4)
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5. A semiconductor device, comprising:
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a driving circuit gate structure on a substrate to control driving signals; a first semiconductor layer on the driving circuit gate structure; a memory cell array region on the first semiconductor layer; a vertical contact through the memory cell array region and the first semiconductor layer, the vertical contact being electrically connected to the driving circuit gate structure; and a driving circuit interconnection structure including an upper interconnection layer on the memory cell array region, the driving circuit interconnection structure being electrically connected to the vertical contact. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A semiconductor device, comprising:
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a memory cell array region on a substrate; a driving circuit gate structure between the memory cell array region and the substrate to control driving signals, the memory cell array region and the driving circuit gate structure overlapping each other; a first semiconductor layer between the driving circuit gate structure and the memory cell array region; a vertical contact through the memory cell array region and through the first semiconductor layer, the vertical contact being electrically connected to the driving circuit gate structure; and a driving circuit interconnection structure on the memory cell array region, the driving circuit interconnection structure being electrically connected to the vertical contact. - View Dependent Claims (17, 18, 19, 20)
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Specification