Abstract: A multilevel semiconductor device including: a first level including a first array of first memory cells and first control line; a second level including a second array of second memory cells and second control line; a third level including a third array of third memory cells and third control line, where the second level overlays the first, and where the third level overlays the second; a first, second and third access pillar; memory control circuits designed to individually control cells of the first, second and third memory cells, where the device includes an array of units, where each of the units includes a plurality of the first, second and third memory cells, and a portion of the memory control circuits, where the array of units include at least eight rows and eight columns of units, and where the memory control is designed to control independently each of the units.

Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer; first transistors overlaying the first single crystal layer; second transistors overlaying the first transistors; and a second level including a second single crystal layer, the second level overlays the second transistors, where the first transistors and the second transistors each includes a polysilicon channel.

Abstract: A 3D semiconductor device, the device including: a first single crystal layer; at least one first metal layer above the first single crystal layer; a second metal layer above the first metal layer; a plurality of first transistors atop the second metal layer; a plurality of second transistors atop the second transistors; a plurality of third transistors atop the second transistors; a third metal layer above the plurality of third transistors: a fourth metal layer above the third metal layer; and a second single crystal layer above the fourth metal layer; and a plurality of connecting metal paths from the fourth metal layer to the second metal layer, where at least one of the plurality of third transistors is aligned to at least one of the plurality of first transistors with less than 40 nm alignment error, where the fourth metal layer is providing global power distribution to the device.

Abstract: Methods of maintaining a state of a memory cell without interrupting access to the memory cell are provided, including applying a back bias to the cell to offset charge leakage out of a floating body of the cell, wherein a charge level of the floating body indicates a state of the memory cell; and accessing the cell.

Abstract: A 3D semiconductor device, the device including: a first single crystal layer including a plurality of first transistors; at least one first metal layer interconnecting the plurality of first transistors, where the interconnecting includes forming memory peripheral circuits; a plurality of second transistors overlaying the at least one first metal layer; a second metal layer overlaying the plurality of second transistors; a first memory cell overlaying the memory peripheral circuits; and a second memory cell overlaying the first memory cell, where the first memory cell includes at least one of the second transistors, where at least one of the second transistors includes a source, channel and drain, where the source, the channel and the drain have the same dopant type.

Abstract: A 3D integrated circuit device, including: a first transistor; a second transistor; and a third transistor, where the third transistor is overlaying the second transistor and is controlled by a third control line, where the second transistor is overlaying the first transistor and is controlled by a second control line, where the first transistor is part of a control circuit controlling the second control line and third control line, and where the first transistor, the second transistor and the third transistor are all aligned to each other with less than 100 nm misalignment.

Abstract: A 3D semiconductor device and structure, including: a first die including first transistors and first interconnect, overlaid by a second die including second transistors and second interconnect, where the first die has a first die area and the second die has a second die area, where the first die area is at least 10% larger than the second die area, and where the second die has a thickness of less than four microns.

Abstract: A 3D device, the device including: a first stratum of first bit-cell memory arrays; a second stratum of second bit-cell memory arrays; and a third stratum, where the second stratum overlays the first stratum, where the third stratum overlays the second stratum, where the third stratum includes a plurality of word-line decoders to control the first bit-cell memory arrays and the second bit-cell memory arrays.

Abstract: A semiconductor device, the device including: a plurality of memory cells; and peripheral circuits, the peripheral circuits include controlling the plurality of memory cells, where each of the plurality of memory cells includes a first gate and a second gate, where the plurality of memory cells each include a channel region, at least one channel facet, a charge trap region and a tunneling region, where a portion of the peripheral circuits are designed to control the first gate and the second gate so to position two distinct memory sites, a first memory site and second a memory site, within the charge trap region of the at least one channel facet of at least one of the plurality of memory cells, and where the first memory site is substantially closer to the first gate than the second memory site.

Abstract: A 3D semiconductor device including: a first die, comprising a first die area and a plurality of first die top contacts; a second die, comprising a second die area and a plurality of first bottom contacts; and a third die, comprising a third die area and a plurality of second bottom contacts, wherein said first die area is greater than the sum of said second die area and said third die area, wherein said second die and said third die are both placed on top of said first die laterally with respect to each other, wherein said plurality of first bottom contacts are connected to said first die top contacts, and wherein said plurality of second bottom contacts are connected to said first die top contacts.

Abstract: 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; a plurality of third transistors overlaying said plurality of second transistors; a top metal layer overlying said third transistors; first circuits underlying said first single crystal layer; second circuits overlying said top metal layer; a first set of connections underlying said at least one metal layer, wherein said first set of connections connects said first transistors to said first circuits; a second set of connections overlying said top metal layer, wherein said second set of connections connects said first transistors to said second circuits, and wherein said first set of connections comprises a through silicon via (TSV).

Abstract: A semiconductor device, the device including: a first stratum including memory periphery circuits; a second stratum including an array of first memory cells, where the first stratum is overlaid by the second stratum; a third stratum including an array of second memory cells, where the second stratum is overlaid by the third stratum, where the first memory cells include a plurality of first polysilicon structures and the second memory cells include a plurality of second polysilicon structures, and where at least one of the first memory cells is self-aligned to at least one of the second memory cells.

Abstract: A semiconductor device including: a first layer including a first memory cell, the first memory cell including a first transistor; a second layer including a second memory cell, the second memory cell including a second transistor; a periphery layer including a memory peripherals transistor, the periphery layer is disposed underneath the first layer; a memory including at least the first memory cell and the second memory cell, where the second memory cell overlays the first memory cell, where the first memory cell and the second memory cell have both been processed following a lithography step and accordingly are precisely aligned, and where a peripherals circuit includes the memory peripherals transistor and controls the memory; a first external connections underlying the periphery layer, the first external connections includes connections from the device to a first external device; and a second external connections overlying the second layer, the second external connections includes connections from the dev

Abstract: Methods of maintaining a state of a memory cell without interrupting access to the memory cell are provided, including applying a back bias to the cell to offset charge leakage out of a floating body of the cell, wherein a charge level of the floating body indicates a state of the memory cell; and accessing the cell.

Abstract: A semiconductor device including: a first memory cell including a first transistor; and a second memory cell including a second transistor, where the second transistor overlays the first transistor and the second transistor is self-aligned to the first transistor, where access to the first memory cell is controlled by at least one junction-less transistor, and where the junction-less transistor is not part of the first memory cell and the second memory cell.

Abstract: A 3D semiconductor wafer, the wafer including: a first device, where the first device includes a first level, the first level including first transistors, and where the first device includes a second level, the second level including first interconnections; a second device overlaying the first device, where the second device includes a third level, the third level including second transistors, and where the second device includes a fourth level, the fourth level including second interconnections, where the first device is substantially larger in area than the second device; and a plurality of connection paths, where the plurality of connection paths provides connections from a plurality of the first transistors to a plurality of the second transistors.

Abstract: A method for producing a 3D memory device, the method including: providing a first level including a single crystal layer; forming at least one second level above the first level; performing a first etch step including etching holes within the second level; forming at least one third level above the at least one second level; performing a second etch step including etching holes within the third level; and performing additional processing steps to form a plurality of first memory cells within the second level and a plurality of second memory cells within the third level, where each of the first memory cells includes one first transistor, where each of the second memory cells includes one second transistor, where at least one of the first or second transistors has a channel, a source and a drain having the same doping type, and where the forming at least one third level includes forming a window within the third level so to allow a lithography alignment through the third level to an alignment mark disposed und

Abstract: A method for processing a 3D semiconductor device, the method including: providing a wafer including a plurality of first dies, the plurality of first dies including a first transistor layer and a first interconnection layer; completing a step of transferring a plurality of second dies each overlaying at least one of the first dies, where each of the plurality of second dies includes a second transistor layer, where at least one of the plurality of first dies is substantially larger in area than at least one of the plurality of second dies, and where each of the plurality of second dies has a thickness greater than six microns; and completing a step of thinning the plurality of second dies, where each of the plurality of second dies has a thickness of less than 2 microns.

Abstract: A 3D semiconductor device, the device including: a first single crystal layer including a plurality of first transistors; at least one first metal layer interconnecting the plurality of first transistors, where the interconnecting includes forming a plurality of logic gates; a plurality of second transistors overlaying the first single crystal layer; a second metal layer overlaying the plurality of second transistors; a plurality of third transistors overlaying the second transistors; a third metal layer overlaying the plurality of third transistors; and a connective metal path between the third metal layer and at least one of the first transistors, where at least one of the plurality of third transistors is aligned to at least one of the plurality of first transistors with less than 40 nm alignment error, where the first metal layer is powered by a first voltage and the second metal layer is powered by a second voltage.

Abstract: A semiconductor device, including: a plurality of non-volatile memory cells including a first memory cell and a second memory cell, where the plurality of non-volatile memory cells includes source diffusion lines and drain diffusion lines, at least one of the source diffusion lines and drain diffusion lines are shared by the first memory cell and the second memory cell, where the first memory cell includes a thin tunneling oxide of less than 1 nm thickness, and where the second memory cell includes a thick tunneling oxide of greater than 2 nm thickness.