DRAM applications using vertical MISFET devices
First Claim
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1. A RAM circuit comprising memory cells and logic circuitry, each of said memory cells comprising at least one Vertical MISFET transistor comprising a stack of multiple layers comprising:
- a source layer having a first orientation;
a drain layer also having said first orientation;
a channel layer disposed between said source layer and said drain layer, said channel layer also having said first orientation, wherein a semiconductor heterojunction is formed between said source layer and said channel layer; and
a capacitor on the top of said stack.
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Abstract
The present invention relates to RAM circuits comprising memory cells and logic circuitry wherein each of the memory cells comprise at least one Vertical MISFET device comprising a stack of several layers a source layer, a channel layer, a drain layer and a capacitor on the top of the stack of several layers of the Vertical MISFET device.
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Citations
11 Claims
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1. A RAM circuit comprising memory cells and logic circuitry, each of said memory cells comprising at least one Vertical MISFET transistor comprising a stack of multiple layers comprising:
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a source layer having a first orientation; a drain layer also having said first orientation; a channel layer disposed between said source layer and said drain layer, said channel layer also having said first orientation, wherein a semiconductor heterojunction is formed between said source layer and said channel layer; and a capacitor on the top of said stack. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification