Abstract:
A method for producing a 3D semiconductor device: providing a first level with a first single crystal layer; forming control circuitry of first transistors in and/or on the first level with a first metal layer above; forming a second metal layer above the first metal layer; forming a third metal layer above the second metal layer; forming at least one second level on top of or above the third metal layer; performing additional processing steps to form a plurality of second transistors within the second level; forming a fourth and fifth metal layers above second level; a global power distribution grid includes fifth metal, and local power distribution grid includes the second metal layer, where the fifth metal layer thickness is at least 50% greater than the second metal layer thickness.
Abstract:
A method for formation of a semiconductor device including a first wafer including a first single crystal layer comprising first transistors and first alignment mark, the method including: implanting to form a doped layer within a second wafer; forming a second mono-crystalline layer on top of the first wafer by transferring at least a portion of the doped layer using layer transfer step, and completing the formation of second transistors on the second mono-crystalline layer including a step of forming a gate dielectric followed by second transistors gate formation step, wherein the second transistors are horizontally oriented.
Abstract:
A method to process an Integrated Circuit device including processing a first layer of first transistors, then processing a first metal layer overlaying the first transistors and providing at least one connection to the first transistors, then processing a second metal layer overlaying the first metal layer, then processing a second layer of second transistors overlaying the second metal layer, wherein the second metal layer is connected to provide power to at least one of the second transistors.
Abstract:
A method of manufacturing semiconductor wafers, the method including: providing a donor wafer including a semiconductor substrate; performing a lithography step and processing the donor wafer; and performing at least two subsequent steps of layer transfer out of the donor wafer, each layer transfer step producing a transferred layer, where each of the transferred layers had been affected by the lithography step, and where each of the transferred layer includes a plurality of transistors with side gates, and where the layer transfer includes an ion-cut, the ion-cut including an ion implant thru the transistors.
Abstract:
A system includes a semiconductor device. The semiconductor device includes a first single crystal silicon layer comprising first transistors, first alignment marks, and at least one metal layer overlying the first single crystal silicon layer, wherein the at least one metal layer comprises copper or aluminum more than other materials; and a second single crystal silicon layer overlying the at least one metal layer. The second single crystal silicon layer comprises a plurality of second transistors arranged in substantially parallel bands. Each of a plurality of the bands comprises a portion of the second transistors along an axis in a repeating pattern.
Abstract:
A device, including: a first layer of first transistors, overlaid by at least one interconnection layer, wherein the interconnection layer includes metals such as copper or aluminum; a second layer including second transistors, the second layer overlaying the interconnection layer, wherein the second layer is less than about 0.4 micron thick; and a connection path connecting the second transistors to the interconnection layer, wherein the connection path includes at least one through-layer via, and the through-layer via includes material whose co-efficient of thermal expansion is within about 50 percent of the second layer coefficient of thermal expansion.
Abstract:
A method of manufacturing a semiconductor device, the method including, providing a first monocrystalline layer including semiconductor regions, overlaying the first monocrystalline layer with an isolation layer, transferring a second monocrystalline layer comprising semiconductor regions to overlay the isolation layer, wherein the first monocrystalline layer and the second monocrystalline layer are formed from substantially different crystal materials; and subsequently etching the second monocrystalline layer as part of forming at least one transistor in the second monocrystalline layer.
Abstract:
A method of manufacturing a semiconductor wafer, the method including: providing a base wafer including a semiconductor substrate, metal layers and first alignment marks; transferring a monocrystalline layer on top of the metal layers, wherein the monocrystalline layer includes second alignment marks; and performing a lithography using at least one of the first alignment marks and at least one of the second alignment marks.
Abstract:
A method of manufacturing a semiconductor wafer, the method including: providing a base wafer including a semiconductor substrate, metal layers and first alignment marks; transferring a monocrystalline layer on top of the metal layers, wherein the monocrystalline layer includes second alignment marks; and performing a lithography using at least one of the first alignment marks in a first direction and at least one of the second alignment marks in a second direction.
Abstract:
A semiconductor device comprising: a first single crystal silicon layer comprising first transistors, first alignment marks, and at least one metal layer overlying the first single crystal silicon layer, wherein the at least one metal layer comprises copper or aluminum more than other materials; and a second single crystal silicon layer overlying the at least one metal layers; wherein the second single crystal silicon layer comprises a plurality of second transistors arranged in substantially parallel bands wherein each of a plurality of the bands comprises a portion of the second transistors along an axis in a repeating pattern.