Patents Assigned to Monolithic 3D Inc.
  • Patent number: 12183699
    Abstract: A 3D semiconductor device comprising: a first level; and a second level, wherein said first level comprises single crystal silicon and a plurality of logic circuits, wherein said plurality of logic circuits each comprise first transistors, wherein said second level is disposed above said first level and comprises a plurality of arrays of memory cells, said second level comprises a plurality of second transistors, wherein each of said memory cells comprises at least one of said second transistors, wherein said first level is bonded to said second level, wherein said bonded comprises regions of oxide to oxide bonds, wherein said bonded comprises regions of metal to metal bonds; and a thermal isolation layer disposed between said first level and said second level, wherein said thermal isolation layer provides a greater than 20° C. differential temperature between said first level and said second level during nominal operation of said device.
    Type: Grant
    Filed: February 7, 2023
    Date of Patent: December 31, 2024
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han, Brian Cronquist
  • Publication number: 20240429086
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer, the first level including first transistors, where each of the first transistors includes a single crystal channel; first metal layers interconnecting at least the first transistors; a first oxide layer disposed atop of the first level; a second level including second transistors and at least one array of memory cells, where each of the memory cells includes at least one of the second transistors, where the second level overlays the first level, where the at least one of the second transistors includes a recessed channel, and where the second level is directly bonded to the first level.
    Type: Application
    Filed: September 9, 2024
    Publication date: December 26, 2024
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 12178055
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer and a memory control circuit, the memory control circuit including a plurality of first transistors; a first metal layer overlaying the first single crystal layer; a second metal layer overlaying the first metal layer; a plurality of second transistors disposed atop the second metal layer; a third metal layer disposed atop the plurality of third transistors; and a memory array including word-lines and memory cells, where the memory array includes at least four memory mini arrays, where at least one of the plurality of second transistors includes a metal gate, where each of the memory cells includes at least one of the plurality of second transistors, where the memory control circuit includes at least one digital to analog converter circuit, and where the device includes a hybrid bonding layer.
    Type: Grant
    Filed: February 29, 2024
    Date of Patent: December 24, 2024
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han
  • Publication number: 20240404866
    Abstract: A 3D semiconductor device including: a first level including a first single crystal layer and first transistors, which each include a single crystal channel; a first metal layer with an overlaying second metal layer; a second level including second transistors, overlaying the first level; a third level including third transistors, overlaying the second level; a fourth level including fourth transistors, overlaying the third level, where the second level includes first memory cells, where each of the first memory cells includes at least one of the second transistors, where the fourth level includes second memory cells, where each of the second memory cells includes at least one of the fourth transistors, where the first level includes memory control circuits, where second memory cells include at least four memory arrays, each of the four memory arrays are independently controlled, and at least one of the second transistors includes a metal gate.
    Type: Application
    Filed: August 8, 2024
    Publication date: December 5, 2024
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Publication number: 20240404600
    Abstract: A semiconductor device including: a first level including memory control circuits (include a plurality of refresh circuits for the memory units) which include first transistors; a second level including a first array of memory cells including second transistors self-aligned to at least one of the third transistors; a third level disposed on top of the second level disposed on top of first level, the third level including a second array of memory cells including third transistors; a fourth level disposed on top of the third level, the fourth level including a third array of memory cells including fourth transistors, second level is bonded to the first level, a plurality of slits disposed through the second level, the third level, and the fourth level, the slits enable gate replacement of a plurality of the third transistors, where the second array of memory cells include a plurality of independently controlled memory units.
    Type: Application
    Filed: August 10, 2024
    Publication date: December 5, 2024
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han, Eli Lusky
  • Publication number: 20240403533
    Abstract: 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 first transistors, where the second level includes second transistors and is disposed on top of the first level; levels connection pads (LCPs) disposed between the first level and second level; providing placement of the LCPs; performing a placement of the first level using a placer program executed by a computer, where the placement of the first level is based on the placement of the LCPs, where the placer is part of a Computer Aided Design (CAD) tool, where the first level includes first routing layers; performing a routing of the first level by routing layers using a router executed by a computer, where the router is a part of the CAD tool or a part of another CAD tool.
    Type: Application
    Filed: August 10, 2024
    Publication date: December 5, 2024
    Applicant: Monolithic 3D Inc
    Inventors: Zvi Or-Bach, Zeev Wurman
  • Publication number: 20240397720
    Abstract: A method of making a 3D multilayer semiconductor device, including: providing a first substrate including a first level, the first level including a first single crystal silicon layer; providing a second substrate including a second level, the second level including a second single crystal silicon layer; performing an epitaxial growth of a SiGe layer on top of the second single crystal silicon layer; performing an epitaxial growth of a third single crystal silicon layer on top of the SiGe layer, the third silicon layer has an average thickness of less than 2,000 nm; forming a plurality of second transistors each including a single crystal channel; forming many metal layers interconnecting the plurality of second transistors; and then performing a bonding of the second level onto the first level, where performing the bonding includes making oxide-to-oxide bond zones; and performing removal of a majority of the second single crystal silicon layer.
    Type: Application
    Filed: August 5, 2024
    Publication date: November 28, 2024
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han
  • Publication number: 20240395592
    Abstract: A method for producing a 3D memory device including: providing a first level including a first single-crystal layer and control circuits, where the first level includes at least two interconnecting metal layers; forming at least one second level disposed above the first level; performing a first etch step including etching holes within the second level; forming at least one third level above the 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; each of first memory cells include one first transistor and each of second memory cells include one second transistor, where first memory cells and second memory cells are a NAND nonvolatile type memory, and at least one of the second transistors include a metal gate.
    Type: Application
    Filed: September 9, 2022
    Publication date: November 28, 2024
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 12154817
    Abstract: A method for producing a 3D memory device including: providing a first level including a first single-crystal layer and control circuits, where the first level includes at least two interconnecting metal layers; forming at least one second level disposed above the first level; performing a first etch step including etching holes within the second level; forming at least one third level above the 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; each of first memory cells include one first transistor and each of second memory cells include one second transistor, where first memory cells and second memory cells are a NAND nonvolatile type memory, and at least one of the second transistors include a metal gate.
    Type: Grant
    Filed: September 9, 2022
    Date of Patent: November 26, 2024
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Publication number: 20240389366
    Abstract: An integrated semiconductor device including: a first level; a second level, where the first level includes single crystal silicon and a plurality of logic circuits, where the plurality of logic circuits each include first transistors, where the second level is disposed above the first level and includes a plurality of arrays of first memory cells, where the second level includes second transistors, where each of the first memory cells includes at least one of the second transistors, where the first level is bonded to the second level; an array of processors; and a third level, where the third level includes third transistors, where the third level is disposed above the second level and includes a plurality of arrays of second memory cells, where each of the second memory cells includes at least one of the third transistors, where the device includes a substrate area greater than 1,000 mm2.
    Type: Application
    Filed: July 26, 2024
    Publication date: November 21, 2024
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han, Brian Cronquist
  • Publication number: 20240379624
    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 plurality of second transistors, where the second level includes a third layer, the third layer including first conductive lines; a third level overlaying the second level, where the third level includes a plurality of third transistors, where the third level includes a fourth layer, the fourth layer including second conductive lines; and a plurality of connection paths, where the plurality of connection paths provides electrical connections at least from a plurality of the first transistors to the plurality of third transistors, and where the first level includes at least one voltage regulator.
    Type: Application
    Filed: July 21, 2024
    Publication date: November 14, 2024
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist
  • Publication number: 20240379502
    Abstract: A 3D semiconductor device, the device including: a first level including single crystal first transistors, a first metal layer, and a first isolation layer; a second level including second transistors and a second isolation layer, where the first level is overlaid by the second level; a third level including single crystal third transistors, where the second level is overlaid by the third level, where the third level includes a third isolation layer, where the third level is bonded to the second level; and a power delivery path to the second transistors, where at least a portion of the power delivery path is connected to at least one of the first transistors.
    Type: Application
    Filed: July 20, 2024
    Publication date: November 14, 2024
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Publication number: 20240379553
    Abstract: A semiconductor device including: a first level including: a first silicon layer including a first single crystal silicon layer; first transistors each including a single-crystal channel; a first metal layer connected to the first transistors and the second metal layer; a third metal layer connected to the second metal layer; a second level including second transistors; a third level including third transistors, the third level is disposed over the second level which is disposed over the first level; a fifth metal layer disposed over a fourth metal layer disposed over the third level; and a via disposed through the second level, where at least one of the second transistors includes a metal gate, where the device includes at least one temperature sensor, and where at least one element within at least one of the second transistors has been processed independently of the third transistors.
    Type: Application
    Filed: July 25, 2024
    Publication date: November 14, 2024
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist
  • Publication number: 20240379837
    Abstract: A 3D semiconductor device, the device including: a first level including single crystal first transistors, a first metal layer, and a first isolation layer; a second level including second transistors and a second isolation layer, where the first level is overlaid by the second level; a third level including single crystal third transistors, where the second level is overlaid by the third level, where the third level includes a third isolation layer, and where the third level is bonded to the second level; a power delivery path to the second transistors, where at least a portion of the power delivery path is connected to at least one of the first transistors; and a plurality of capacitors, where the plurality of capacitors include functioning as a decoupling capacitor to mitigate power supply noise.
    Type: Application
    Filed: July 20, 2024
    Publication date: November 14, 2024
    Applicant: Monolithic 3D Inc.
    Inventor: Zvi Or-Bach
  • Patent number: 12144190
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer, the first level including first transistors, where each of the first transistors includes a single crystal channel; a first metal layer; a second metal layer overlaying the first metal layer; and a second level including a plurality of second transistors and at least one third metal layer, where the second level overlays the first level, where at least one of the second transistors includes a transistor channel, where the second level includes a plurality of memory cells, where each of the plurality of memory cells includes at least one of the second transistors, where the device includes at least one Phase-Lock-Loop (“PLL”) circuit or at least one Digital-Lock-Loop (“DLL”) circuit, where the second level is directly bonded to the first level, and where the bonded includes metal to metal bonds.
    Type: Grant
    Filed: May 29, 2024
    Date of Patent: November 12, 2024
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Publication number: 20240371906
    Abstract: 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 image sensors, where the second level is bonded to the first level including an oxide to oxide bond; a plurality of pixel control circuits; a third level disposed underneath the first level, where the third level includes a plurality of third transistors, where the plurality of third transistors each include a single crystal channel; and a plurality of recessed channel transistors.
    Type: Application
    Filed: July 20, 2024
    Publication date: November 7, 2024
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Patent number: 12136562
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer, the first level including first transistors, where each of the first transistors includes a single crystal channel; first metal layers interconnecting at least the first transistors; a second metal layer overlaying the first metal layers; a first oxide layer disposed over the second metal layer; a second oxide layer disposed over the first oxide layer; and a second level including at least one array of memory cells and second transistors, where each of the memory cells includes at least one of the second transistors, where the second level overlays the first level, where at least one of the second transistors includes at least two independent gates, where the second level is directly bonded to the first level, and where the bonded includes direct oxide-to-oxide bonds.
    Type: Grant
    Filed: December 2, 2023
    Date of Patent: November 5, 2024
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Publication number: 20240363385
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer, the first level including first transistors, where each of the first transistors includes a single crystal channel; a first metal layer; a second metal layer overlaying the first metal layer; a second level including second transistors, first memory cells including at least one second transistor, and overlaying the second metal layer, a third level including third transistors and overlaying the second level, a fourth level including fourth transistors, second memory cells including at least one fourth transistor, and overlaying the third level, where the first level includes memory control circuits which control writing to the second memory cells, and at least one Phase-Lock-Loop (“PLL”) circuit or at least one Digital-Lock-Loop (“DLL”) circuit.
    Type: Application
    Filed: June 6, 2024
    Publication date: October 31, 2024
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 12125737
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer, the first level including first transistors, where each of the first transistors includes a single crystal channel; a first metal layer; a second metal layer overlaying the first metal layer; a second level including second transistors, first memory cells including at least one second transistor, and overlaying the second metal layer, a third level including third transistors and overlaying the second level, a fourth level including fourth transistors, second memory cells including at least one fourth transistor, and overlaying the third level, where the first level includes memory control circuits which control writing to the second memory cells, and at least one Phase-Lock-Loop (“PLL”) circuit or at least one Digital-Lock-Loop (“DLL”) circuit.
    Type: Grant
    Filed: June 6, 2024
    Date of Patent: October 22, 2024
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Publication number: 20240349504
    Abstract: A 3D semiconductor device including: a first level including a single crystal layer and a memory control circuit including first transistors and at least one power-down control circuit; a first metal layer overlaying the single crystal layer; a second metal layer overlaying the first metal layer; a third metal layer overlaying the second metal layer; second transistors disposed atop the third metal layer with at least one including a metal gate; third transistors disposed atop the second transistors; a fourth metal layer atop the third transistors; a memory array including word-lines and at least four memory mini arrays, each including at least four rows by four columns of memory cells, each of the memory cells includes at least one of the second transistors or at least one of the third transistors; a connection path from the fourth metal to the third metal including a via disposed through the memory array.
    Type: Application
    Filed: December 3, 2023
    Publication date: October 17, 2024
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han