Patents Assigned to Monolithic 3D Inc.
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Publication number: 20230142628Abstract: A 3D device includes a first level including a first single crystal layer with control circuitry, where the control circuitry includes first single crystal transistors; a first metal layer atop first single crystal layer; a second metal layer atop the first metal layer; a third metal layer atop the second metal layer; second level (includes a plurality of second transistors) atop the third metal layer; a fourth metal layer disposed above the one second level; a fifth metal layer atop the fourth metal layer, where the second level includes at least one first oxide layer overlaid by a transistor layer and then overlaid by a second oxide layer; a global power distribution grid, which includes the fifth metal layer; a local power distribution grid, which includes the second metal layer, the thickness of the fifth metal layer is at least 50% greater than the thickness of the second metal layer.Type: ApplicationFiled: December 31, 2022Publication date: May 11, 2023Applicant: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Brian Cronquist, Deepak Sekar
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Publication number: 20230146353Abstract: A 3D device, the device including: a first level including logic circuits; a second level including a plurality of memory circuits, where the first level is bonded to the second level, where the bonded includes oxide to oxide bonds, and where the first level includes at least one voltage regulator circuit.Type: ApplicationFiled: February 6, 2022Publication date: May 11, 2023Applicant: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Jin-Woo Han
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Patent number: 11646309Abstract: A semiconductor device including: a first silicon level including a first single crystal silicon layer and a plurality of first transistors; a first metal layer disposed over the first silicon level; a second metal layer disposed over the first metal layer; a third metal layer disposed over the second metal layer; a second level including a plurality of second transistors, the second level disposed over the third metal layer; a fourth metal layer disposed over the second level; a fifth metal layer disposed over the fourth metal layer, where the fourth metal layer is aligned to the first metal layer with a less than 40 nm alignment error; a via disposed through the second level, where each of the second transistors includes a metal gate, where a typical thickness of the second metal layer is greater than a typical thickness of the third metal layer by at least 50%.Type: GrantFiled: May 28, 2022Date of Patent: May 9, 2023Assignee: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Brian Cronquist
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Publication number: 20230130626Abstract: A 3D semiconductor device, the device comprising: a first level comprising a first single crystal layer, said first level comprising first transistors, wherein each of said first transistors comprises a single crystal channel; first metal layers interconnecting at least said first transistors; a second metal layer overlaying said first metal layers; and a second level comprising a second single crystal layer, said second level comprising second transistors, wherein said second level overlays said first level, wherein at least one of said second transistors comprises a gate all around structure, wherein said second level is directly bonded to said first level, and wherein said bonded comprises direct oxide to oxide bonds.Type: ApplicationFiled: December 25, 2022Publication date: April 27, 2023Applicant: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
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Publication number: 20230104210Abstract: A 3D semiconductor device with a built-in-test-circuit (BIST), the device comprising: a first single-crystal substrate with a plurality of logic circuits disposed therein, wherein said first single-crystal substrate comprises a device area, wherein said plurality of logic circuits comprise at least a first interconnected array of processor logic, wherein said plurality of logic circuits comprise at least a second interconnected set of circuits comprising a first logic circuit, a second logic circuit, and a third logic circuit, wherein said second interconnected set of logic circuits further comprise switching circuits that support replacing said first logic circuit and/or said second logic circuit with said third logic circuit; and said built-in-test-circuit (BIST), wherein said first logic circuit is testable by said built-in-test-circuit (BIST), and wherein said second logic circuit is testable by said built-in-test-circuit (BIST).Type: ApplicationFiled: September 15, 2022Publication date: April 6, 2023Applicant: Monolithic 3D Inc.Inventors: Ziv Or-Bach, Brain Cronquist, Deepak C. Sekar
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Patent number: 11621249Abstract: A 3D semiconductor device, the device including: a first level; and a second level, where the first level includes single crystal silicon and a plurality of logic circuits, where the second level is disposed above the first level and includes a plurality of arrays of memory cells, where the single crystal silicon includes an area, and where the area is greater than 1,000 mm2.Type: GrantFiled: August 6, 2021Date of Patent: April 4, 2023Assignee: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Jin-Woo Han, Brian Cronquist
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Patent number: 11615977Abstract: A 3D semiconductor device including: a first single crystal layer with first transistors; overlaid by a first metal layer; a second metal layer overlaying the first metal layer and being overlaid by a third metal layer; a logic gates including at least the first metal layer interconnecting the first transistors; second transistors disposed atop the third metal layer; third transistors disposed atop the second transistors; a top metal layer disposed atop the third transistors; and a memory array including word-lines, and at least four memory mini arrays, where each of the memory mini arrays includes at least four rows by four columns of memory cells, where each of the memory cells includes at least one of the second transistors or third transistors, sense amplifier circuit(s) for each of the memory mini arrays, the second metal layer provides a greater current carrying capacity than the third metal layer.Type: GrantFiled: September 15, 2022Date of Patent: March 28, 2023Assignee: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
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Publication number: 20230087787Abstract: A 3D semiconductor device, the device including: a first level including a plurality of first metal layers; a second level, where the second level overlays the first level, where the second level includes at least one single crystal silicon layer, where the second level includes a plurality of transistors, where each transistor of the plurality of transistors includes a single crystal channel, where the second level includes a plurality of second metal layers, where the plurality of second metal layers include interconnections between the transistors of the plurality of transistors, where the second level is overlaid by a first isolation layer; and a connective path between the plurality of transistors and the plurality of first metal layers, where the connective path includes a via disposed through at least the single crystal silicon layer, and where at least one of the plurality of transistors includes a gate all around structure.Type: ApplicationFiled: November 28, 2022Publication date: March 23, 2023Applicant: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
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Publication number: 20230076814Abstract: A semiconductor device, the device including: a first silicon layer including a first single crystal silicon; a first metal layer disposed over the first silicon layer; a second metal layer disposed over the first metal layer; a first level including a plurality of transistors, the first level disposed over the second metal layer, where the plurality of transistors include a second single crystal silicon; a third metal layer disposed over the first level; a fourth metal layer disposed over the third metal layer, where the fourth metal layer is aligned to the first metal layer with a less than 40 nm alignment error; and a via disposed through the first level, where the first level thickness is less than two microns.Type: ApplicationFiled: November 14, 2022Publication date: March 9, 2023Applicant: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Brian Cronquist
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Publication number: 20230068505Abstract: A semiconductor device, the device including: a first silicon layer including a first single crystal silicon layer and a plurality of first transistors; a first metal layer disposed over the first single crystal silicon layer; a second metal layer disposed over the first metal layer; a third metal layer disposed over the second metal layer; a second level including a plurality of second transistors, the second level disposed over the third metal layer; a fourth metal layer disposed over the second level; a fifth metal layer disposed over the fourth metal layer; and a via disposed through the second level, where the via has a diameter of less than 450 nm, where the via includes tungsten, and where a typical thickness of the fifth metal layer is greater than a typical thickness of the second metal layer by at least 50%.Type: ApplicationFiled: August 31, 2022Publication date: March 2, 2023Applicant: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Brian Cronquist
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Patent number: 11594526Abstract: A multi-level semiconductor device, the device including: a first level including integrated circuits; a second level including a structure designed to conduct electromagnetic waves, where the second level is disposed above the first level, where the integrated circuits include single crystal transistors; and an oxide layer disposed between the first level and the second level, where the second level is bonded to the oxide layer, and where the bonded includes oxide to oxide bonds.Type: GrantFiled: July 20, 2022Date of Patent: February 28, 2023Assignee: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
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Publication number: 20230056346Abstract: A method for producing a 3D semiconductor device including: providing a first level, the first level including a first single crystal layer; forming first alignment marks and control circuits in and/or on the first level, where the control circuits include first single crystal transistors and at least two interconnection metal layers; forming at least one second level disposed above the control circuits; performing a first etch step into the second level; forming at least one third level disposed on top of the second level; performing additional processing steps to form first memory cells within the second level and second memory cells within the third level, where each of the first memory cells include at least one second transistor, where each of the second memory cells include at least one third transistor, performing bonding of the first level to the second level, where the bonding includes oxide to oxide bonding.Type: ApplicationFiled: August 29, 2022Publication date: February 23, 2023Applicant: Monolithic 3D Inc.Inventors: Deepak C. Sekar, Zvi Or-Bach
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Publication number: 20230041344Abstract: A 3D device, the device including: at least a first level including logic circuits; and at least a second level bonded to the first level, where the second level includes a plurality of transistors, where the device include connectivity structures, where the connectivity structures include at least one of the following: a. differential signaling, or b. radio frequency transmission lines, or c. Surface Waves Interconnect (SWI) lines, and where the bonded includes oxide to oxide bond regions and metal to metal bond regions.Type: ApplicationFiled: September 19, 2022Publication date: February 9, 2023Applicant: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Jin-Woo Han, Brian Cronquist, Eli Lusky
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Publication number: 20230043191Abstract: 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.Type: ApplicationFiled: August 29, 2022Publication date: February 9, 2023Applicant: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Brian Cronquist, Deepak Sekar
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Publication number: 20230038149Abstract: A 3D micro display, the 3D micro display including: a first level including a first single crystal layer, the first single crystal layer includes a plurality of LED driving circuits; a second level including a first plurality of light emitting diodes (LEDs), the first plurality of LEDs including a second single crystal layer; a third level including a second plurality of light emitting diodes (LEDs), the second plurality of LEDs including a third single crystal layer, where the first level is disposed on top of the second level, where the second level includes at least ten individual first LED pixels; and a bonding structure, where the bonding structure includes oxide to oxide bonding.Type: ApplicationFiled: October 17, 2022Publication date: February 9, 2023Applicant: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Deepak C. Sekar
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Patent number: 11574818Abstract: 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.Type: GrantFiled: August 29, 2022Date of Patent: February 7, 2023Assignee: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Brian Cronquist, Deepak Sekar
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Patent number: 11574109Abstract: A method of designing a 3D Integrated Circuit including: partitioning at least one design into at least two levels, a first level and a second level, where the first level includes logic and the second level includes memory; and then obtaining a first placement of at least portion of the second level, where the first placement includes placement of a first memory array, where the Circuit includes a plurality of connections between the first level and the second level; and performing a second placement, where performing the second placement includes placing the first logic circuit based on the first placement of the first memory array, where the performing a second placement includes using a placer executed by a computer, where the placer is a part of a Computer Aided Design tool, and where the logic includes a first logic circuit configured to read data from the first memory array.Type: GrantFiled: September 26, 2022Date of Patent: February 7, 2023Assignee: Monolithic 3D IncInventors: Zvi Or-Bach, Zeev Wurman
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Patent number: 11575038Abstract: A 3D semiconductor device including: a first level including a first single crystal layer, the first level including a plurality of first transistors and at least one first metal layer, where the at least one first metal layer overlays the first single crystal layer, and where the at least one first metal layer includes interconnects between the first transistors forming first control circuits; a second metal layer overlaying the at least one first metal layer; a second level overlaying the second metal layer, the second level including a plurality of second transistors; a third level overlaying the second level, the third level including a plurality of third transistors, where the second level includes a plurality of first memory cells, the first memory cells each including at least one of the second transistors, where the third level includes second memory cells, the second memory cells each including third transistors.Type: GrantFiled: October 7, 2022Date of Patent: February 7, 2023Assignee: Monolithic 3D Inc.Inventor: Zvi Or-Bach
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Publication number: 20230033173Abstract: A 3D semiconductor device including: a first level including a first single crystal layer, the first level including a plurality of first transistors and at least one first metal layer, where the at least one first metal layer overlays the first single crystal layer, and where the at least one first metal layer includes interconnects between the first transistors forming first control circuits; a second metal layer overlaying the at least one first metal layer; a second level overlaying the second metal layer, the second level including a plurality of second transistors; a third level overlaying the second level, the third level including a plurality of third transistors, where the second level includes a plurality of first memory cells, the first memory cells each including at least one of the second transistors, where the third level includes second memory cells, the second memory cells each including third transistors.Type: ApplicationFiled: October 7, 2022Publication date: February 2, 2023Applicant: Monolithic 3D Inc.Inventor: Zvi Or-Bach
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Publication number: 20230017372Abstract: An integrated device, the device including: a first level including a first mono-crystal layer, the first mono-crystal layer including a plurality of single crystal transistors; an overlying oxide disposed on top of the first level; a second level including a second mono-crystal layer, the second level overlaying the oxide, where the second mono-crystal layer includes a plurality of semiconductor devices; a third level overlaying the second level, where the third level includes a plurality of image sensors, where the first level includes a plurality of landing pads, where the second level is bonded to the first level, where the bonded includes an oxide to oxide bond; and an isolation layer disposed between the second mono-crystal layer and the third level.Type: ApplicationFiled: September 23, 2022Publication date: January 19, 2023Applicant: Monolithic 3D Inc.Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist