Patents Assigned to Monolithic 3D Inc.
  • Publication number: 20220085067
    Abstract: 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 device includes first redundancy circuits to replace a faulty logic circuit and a second redundancy circuit to replace a faulty memory circuit.
    Type: Application
    Filed: November 11, 2021
    Publication date: March 17, 2022
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han
  • Publication number: 20220084988
    Abstract: A semiconductor device, the device including: a first silicon layer including a first single crystal silicon; a first metal layer over the first silicon layer; a second metal layer over the first metal layer; a first level including a plurality of transistors over the second metal layer, where the plurality of transistors include a second single crystal silicon; a third metal layer over the first level; a fourth metal layer over the third metal layer, where the fourth metal layer is aligned to the first metal layer with less than 40 nm alignment error; and a via disposed through the first level, where the via has a diameter of less than 450 nm.
    Type: Application
    Filed: November 27, 2021
    Publication date: March 17, 2022
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist
  • Publication number: 20220084869
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer, the first level including first transistors, where the first transistors each include a single crystal channel; first metal layers interconnecting at least the first transistors; second metal layer overlaying the first metal layer, and a second level including a second single crystal layer, the second level including second transistors, where the second level overlays the first level, where the second transistors each include a High-k metal gate, where the second level is bonded to the first level, and where the bonded includes oxide to oxide bonds.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 11270988
    Abstract: A 3D device, the first level including first transistors and a first interconnect; a second level with second transistors overlaying the first level; a third level with third transistors overlaying the second level; a plurality of electronic circuit units (ECUs), where each ECU includes a first circuit with a portion of the first transistors, where each of the ECUs includes a second circuit including a portion of the second transistors, where each of the plurality of ECUs includes a third circuit, which includes a portion of the third transistors, where each of the ECUs includes a vertical data bus, where the vertical data bus has between eight pillars and three hundreds pillars, where the vertical data bus provides electrical connections between the first and second circuits, where the third level includes an array of memory cells, and where the second circuit includes a memory control circuit.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: March 8, 2022
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han, Brian Cronquist
  • Publication number: 20220067262
    Abstract: A method of designing a 3D Integrated Circuit, the method including: performing partitioning to at least a logic strata, the logic strata including logic, and to a memory strata, the memory strata including memory; then performing a first placement of the memory strata using a 2D placer executed by a computer, where the 2D placer is a Computer Aided Design (CAD) tool for two-dimensional devices, where the 3D Integrated Circuit includes a plurality of connections between the logic strata and the memory strata; and performing a second placement of the logic strata based on the first placement, where the memory includes a first memory array, where the logic includes a first logic circuit controlling the first memory array, where the first placement includes placement of the first memory array, where the second placement includes placement of the first logic circuit based on the placement of the first memory array.
    Type: Application
    Filed: November 10, 2021
    Publication date: March 3, 2022
    Applicant: Monolithic 3D Inc
    Inventors: Zvi Or-Bach, Zeev Wurman
  • Publication number: 20220028811
    Abstract: A 3D semiconductor device, the device comprising: a first level, wherein said first level comprises a first layer, said first layer comprising first transistors, and wherein said first level comprises a second layer, said second layer comprising first interconnections; a second level overlaying said first level, wherein said second level comprises a third layer, said third layer comprising second transistors, and wherein said second level comprises a fourth layer, said fourth layer comprising second interconnections; and a plurality of connection paths, wherein said plurality of connection paths provides connections from a plurality of said first transistors to a plurality of said second transistors, wherein said second level is bonded to said first level, wherein said bonded comprises oxide to oxide bond regions, wherein said bonded comprises metal to metal bond regions, and wherein said first level comprises a plurality of trench capacitors.
    Type: Application
    Filed: October 11, 2021
    Publication date: January 27, 2022
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak Sekar
  • Publication number: 20220028759
    Abstract: 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 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 plurality of transistors, and 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 the via has a diameter of less than 400 nm and greater than 5 nm.
    Type: Application
    Filed: October 2, 2021
    Publication date: January 27, 2022
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Publication number: 20220026636
    Abstract: 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 first level includes crystalline silicon; an oxide layer disposed between the first level and the second level; and a plurality of electromagnetic modulators, where the second level is bonded to the oxide layer, and where the bonded includes oxide to oxide bonds.
    Type: Application
    Filed: October 3, 2021
    Publication date: January 27, 2022
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Patent number: 11233069
    Abstract: A 3D device, the device including: a first level including logic circuits; and a second level including a plurality of memory cells, where the first level is bonded to the second level, where the bonded includes oxide to oxide bonds, and where the logic circuits include a programmable logic circuit.
    Type: Grant
    Filed: August 8, 2021
    Date of Patent: January 25, 2022
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han
  • Publication number: 20220013485
    Abstract: A semiconductor device, the device including: a first level overlaid by a first memory level, where the first memory level includes a first thinned single crystal substrate; a second memory level, the second memory level disposed on top of the first memory level, where the second memory level includes a second thinned single crystal substrate; and a memory control level disposed on top of the second memory level, where the memory control level is bonded to the second memory level, and where the bonded includes oxide to oxide and conductor to conductor bonding.
    Type: Application
    Filed: September 27, 2021
    Publication date: January 13, 2022
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han, Brian Cronquist
  • Publication number: 20220013533
    Abstract: A 3D memory device, the device including: a plurality of memory cells, where each memory cell of the plurality of memory cells includes at least one memory transistor, where each of the at least one memory transistor includes a source, a drain, and a channel; a plurality of bit-line pillars, where each bit-line pillar of the plurality of bit-line pillars is directly connected to a plurality of the source or the drain, where the bit-line pillars are vertically oriented, where the channel is horizontally oriented; and a level of memory control circuits, where the memory control circuits is disposed either above or below the plurality of memory cells.
    Type: Application
    Filed: September 24, 2021
    Publication date: January 13, 2022
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han, Eli Lusky
  • Publication number: 20220013556
    Abstract: A 3D micro display, the 3D micro display including: a first single crystal layer including a first plurality of light emitting diodes (LEDs); a second single crystal layer including a second plurality of light emitting diodes (LEDs), where the first single crystal layer includes at least ten individual first LED pixels, where the second single crystal layer includes at least ten individual second LED pixels, where the first plurality of light emitting diodes (LEDs) emits a first light with a first wavelength, where the second plurality of light emitting diodes (LEDs) emits a second light with a second wavelength, where the first wavelength and the second wavelength differ by greater than 10 nm; and further including a third single crystal layer including at least one LED driving circuit.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 13, 2022
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar
  • Publication number: 20220005821
    Abstract: A 3D memory device, the device including: a first vertical pillar, the first vertical pillar includes a transistor source; a second vertical pillar, the second vertical pillar includes the transistor drain, where the first vertical pillar and the second vertical pillar each functions as a source or functions as a drain for a plurality of overlaying horizontally-oriented memory transistors, where at least of one of the plurality of overlaying horizontally-oriented memory transistors is disposed between the first vertical pillar and the second vertical pillar, where the plurality of overlaying horizontally-oriented memory transistors are self-aligned being formed following a same lithography step, and where the first vertical pillar includes metal.
    Type: Application
    Filed: August 30, 2021
    Publication date: January 6, 2022
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han, Eli Lusky
  • Patent number: 11217565
    Abstract: A method to form a 3D semiconductor device, the method including: providing a first level including first circuits, the first circuits including first transistors and first interconnection; preparing a second level including a silicon layer; forming second circuits over the second level, the second circuits including second transistors and second interconnection; transferring with bonding the second level on top of the first level; and then thinning the second level to a thickness of less than thirty microns, where the bonding includes oxide to oxide bonds, where the bonding includes metal to metal bonds, and where at least one of the metal to metal bond structures has a pitch of less than 1 micron from another of the metal to metal bond structures.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: January 4, 2022
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist
  • Publication number: 20210407842
    Abstract: A method for producing a 3D memory device, the method including: providing a first level including a first single crystal layer; forming first alignment marks and control circuits in and on the first level, where the control circuits include first single crystal transistors, where the control circuits include at least two metal layers; forming at least one second level disposed on top of the first level; performing a first etch step within the second level; forming at least one third level disposed on top of the at least one second level; performing a second etch step 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 the first memory cells include second transistors, and where the second memory cells include third transistors.
    Type: Application
    Filed: September 13, 2021
    Publication date: December 30, 2021
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Publication number: 20210407991
    Abstract: A 3D semiconductor device, the device including: a first level, where the first level includes a first layer, the first layer including first transistors, and where the first level includes a second layer, the second layer including first interconnections; a second level overlaying the first level, where the second level includes a third layer, the third layer including second transistors, and where the second level includes a fourth layer, the fourth layer including second interconnections; a plurality of connection paths, where the plurality of connection paths provide first connections from a plurality of the first transistors to a plurality of the second transistors, where the second level is bonded to the first level, where the bonded includes oxide to oxide bond regions, where the bonded includes metal to metal bond regions, and where the third layer includes crystalline silicon; and at least one temperature sensor.
    Type: Application
    Filed: September 12, 2021
    Publication date: December 30, 2021
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist
  • Patent number: 11205034
    Abstract: A method of designing a 3D Integrated Circuit, the method including: performing partitioning to at least a logic strata, the logic strata including logic, and to a memory strata, the memory strata including memory; then performing a first placement of the memory strata using a 2D placer executed by a computer, where the 2D placer is a Computer Aided Design (CAD) tool for two-dimensional devices, where the 3D Integrated Circuit includes through silicon vias for connection between the logic strata and the memory strata; and performing a second placement of the logic strata based on the first placement, where the memory includes a first memory array, where the logic includes a first logic circuit controlling the first memory array, where the first placement includes placement of the first memory array, and the second placement includes placement of the first logic circuit based on the placement of the first memory array.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: December 21, 2021
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Zeev Wurman
  • Publication number: 20210375995
    Abstract: A method for producing a 3D memory device, the method including: providing a first level including a single crystal layer and first alignment marks; forming memory control circuits including first single crystal transistors, where the first single crystal transistors include portions of the single crystal layer; forming at least one second level above the first level; performing a first etch step including etching lithography windows within the at least one second level; performing a first lithographic step over the at least one second level aligned to the first alignment marks; and performing additional processing steps to form a plurality of first memory cells within the at last one second level, where each of the plurality of first memory cells include one of a plurality of second transistors, and where the plurality of second transistors are aligned to the first alignment marks with a less than 40 nm alignment error.
    Type: Application
    Filed: August 14, 2021
    Publication date: December 2, 2021
    Applicant: Monolithic 3D Inc.
    Inventors: Deepak C. Sekar, Zvi Or-Bach
  • Publication number: 20210375921
    Abstract: A 3D device, the device including: a first level including logic circuits; and a second level including a plurality of memory cells, where the first level is bonded to the second level, where the bonded includes oxide to oxide bonds, and where the logic circuits include a programmable logic circuit.
    Type: Application
    Filed: August 8, 2021
    Publication date: December 2, 2021
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han
  • Publication number: 20210375829
    Abstract: 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: Application
    Filed: August 6, 2021
    Publication date: December 2, 2021
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han, Brian Cronquist