3D semiconductor device and structure
First Claim
1. A 3D semiconductor device, the device comprising:
- a first single crystal layer comprising a plurality of first transistors;
at least one metal layer interconnecting said first transistors, a portion of said first transistors forming a plurality of logic gates;
a plurality of second transistors overlaying said first single crystal layer;
at least one connection from said plurality of first transistors to a plurality of through silicon vias (TSVs);
a plurality of third transistors overlaying said plurality of second transistors,wherein said plurality of second transistors are self-aligned to said plurality of third transistors having been processed following the same lithography step; and
a first memory array and a second memory array,wherein said first memory array comprises said plurality of second transistors and said second memory array comprises said plurality of third transistors,wherein at least one of said plurality of second transistors comprises a polysilicon channel,wherein at least one of said plurality of second transistors is a junction-less transistor, andwherein each of said plurality of second transistors comprises a gate.
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Accused Products
Abstract
A 3D semiconductor device, the device including: a first single crystal layer including a plurality of first transistors; at least one metal layer interconnecting the first transistors, a portion of the first transistors forming a plurality of logic gates; a plurality of second transistors overlaying the first single crystal layer; at least one connection from the plurality of first transistors to a plurality of through silicon vias (TSVs); a plurality of third transistors overlaying the plurality of second transistors, where the plurality of second transistors are self-aligned to the plurality of third transistors having been processed following the same lithography step; and a first memory array and a second memory array, where the first memory array includes the plurality of second transistors and the second memory array includes the plurality of third transistors.
853 Citations
20 Claims
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1. A 3D semiconductor device, the device comprising:
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a first single crystal layer comprising a plurality of first transistors; at least one metal layer interconnecting said first transistors, a portion of said first transistors forming a plurality of logic gates; a plurality of second transistors overlaying said first single crystal layer; at least one connection from said plurality of first transistors to a plurality of through silicon vias (TSVs); a plurality of third transistors overlaying said plurality of second transistors, wherein said plurality of second transistors are self-aligned to said plurality of third transistors having been processed following the same lithography step; and a first memory array and a second memory array, wherein said first memory array comprises said plurality of second transistors and said second memory array comprises said plurality of third transistors, wherein at least one of said plurality of second transistors comprises a polysilicon channel, wherein at least one of said plurality of second transistors is a junction-less transistor, and wherein each of said plurality of second transistors comprises a gate. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A 3D semiconductor device, the device comprising:
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a first single crystal layer comprising a plurality of first transistors; at least one metal layer interconnecting said first transistors, a portion of said first transistors forming a plurality of logic gates; a plurality of second transistors overlaying said first single crystal layer; at least one connection from said plurality of first transistors to a plurality of through silicon vias (TSVs); a plurality of third transistors overlaying said plurality of second transistors, wherein said plurality of second transistors are self-aligned to said plurality of third transistors having been processed following the same lithography step; and a first memory array and a second memory array, wherein said first memory array comprises said plurality of second transistors and said second memory array comprises said plurality of third transistors, wherein at least one of said plurality of second transistors comprises a polysilicon channel, wherein at least one of said plurality of second transistors is a junction-less transistor, and said device further comprising; a first set of external connections underlying said one metal layer to connect said device to a first external device; and a second set of external connections overlying said one metal layer to connect said device to a second external device, wherein said first set of external connections comprises said plurality of through silicon vias (TSVs). - View Dependent Claims (9, 10, 11, 12, 13)
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14. A 3D semiconductor device, the device comprising:
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a first single crystal layer comprising a plurality of first transistors; at least one metal layer interconnecting said first transistors, a portion of said first transistors forming a plurality of logic gates; a plurality of second transistors overlaying said first single crystal layer; at least one connection from said plurality of first transistors to a plurality of through silicon vias (TSVs); a plurality of third transistors overlaying said plurality of second transistors, wherein said plurality of second transistors are self-aligned to said plurality of third transistors having been processed following the same lithography step; and a first memory array and a second memory array, wherein said first memory array comprises said plurality of second transistors and said second memory array comprises said plurality of third transistors. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification