Patents Assigned to For3D, Inc.
  • Publication number: 20230395097
    Abstract: A 3D memory 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; and 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 plurality of bit-line pillars are vertically oriented, where the channel is horizontally oriented, where each of the at least one memory transistor is directly connected to at least one of the plurality of bit-line pillars, where the plurality of memory cells include a partially or fully metalized source structure and/or a partially or fully metalized drain structure, where the metalized source includes two metal structures, and where the two metal structures include a tungsten structure.
    Type: Application
    Filed: August 7, 2023
    Publication date: December 7, 2023
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han, Eli Lusky
  • Publication number: 20230395572
    Abstract: A semiconductor device, the device including: a first substrate; a first metal layer disposed over the first substrate; 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 each include 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 200 nm alignment error; and a via disposed through the first level, where the via has a diameter of less than 450 nm, where the fourth metal layer provides a global power distribution, and where the device includes at least one power supply circuit.
    Type: Application
    Filed: August 21, 2023
    Publication date: December 7, 2023
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist
  • Patent number: 11833753
    Abstract: A 3D printing system may include a tank in which a bottom of the tank is formed by a flexible membrane. The flexible membrane may be stretched within a frame, which together with the flexible membrane may form a membrane assembly that is secured to the tank sidewall by one or more hinged clamps. Each of the hinged clamps may comprise an arm and an angled member. The distal end of the arm may comprise a hooked attachment member that is complementary in shape to a lip of the frame of the membrane assembly. The proximal end of the arm may be attached to the angled member by a hinge. The angled member may be attached to the tank sidewall by another hinge. The angled member and the arm may be positioned to clamp the membrane assembly to the tank sidewall, or release the membrane assembly from the tank sidewall.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: December 5, 2023
    Assignee: Nexa3D Inc.
    Inventors: Miguel Cuevas Sandoval, Izhar Medalsy, Mehdi Mojdeh, Avi N. Reichental
  • Publication number: 20230386886
    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; 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 at least one of the second transistors includes a transistor channel, where the at least one of the second transistors transistor channel includes non-silicon atoms, where the second level is directly bonded to the first level, and where the bonded includes direct oxide-to-oxide bonds.
    Type: Application
    Filed: August 1, 2023
    Publication date: November 30, 2023
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Publication number: 20230386890
    Abstract: 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, including metal gate) atop the third metal layer; a fourth metal layer 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 including the fifth metal layer; a local power distribution grid, the thickness of the fifth metal layer is at least 50% greater than the thickness of the second metal layer, a layer deposited by ALD.
    Type: Application
    Filed: August 1, 2023
    Publication date: November 30, 2023
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak Sekar
  • Patent number: 11830757
    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; 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 at least one of the second transistors includes a transistor channel, where the at least one of the second transistors transistor channel includes non-silicon atoms, where the second level is directly bonded to the first level, and where the bonded includes direct oxide-to-oxide bonds.
    Type: Grant
    Filed: August 1, 2023
    Date of Patent: November 28, 2023
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Publication number: 20230376121
    Abstract: A sensing and display apparatus, comprising: a first phenomenon interface configured to operatively interface with a first augmediated-reality space, and a second phenomenon interface configured to operatively interface with a second augmediated-reality space, is implemented as an extramissive spatial imaging digital eye glass.
    Type: Application
    Filed: August 3, 2023
    Publication date: November 23, 2023
    Applicant: Campfire 3D, Inc.
    Inventors: Meron GRIBETZ, W. Steve G. MANN
  • Publication number: 20230378339
    Abstract: A 3D semiconductor device including: a first level including a first single crystal layer and first transistors, and at least one first metal layer-which includes interconnects between the first transistors forming control circuits-which overlays the first single crystal layer; a second metal layer overlaying first metal layer; a second level including second transistors, first memory cells (each including at least one second transistor) and overlaying second metal layer; a third level including third transistors (at least one includes a polysilicon channel), second memory cells (each including at least one third transistor and cell is partially disposed atop control circuits) and overlaying the second level; control circuits control data written to second memory cells; third metal layer disposed above third level; fourth metal layer includes a global power distribution grid, has a thickness at least twice the second metal layer, and is disposed above third metal layer.
    Type: Application
    Filed: July 27, 2023
    Publication date: November 23, 2023
    Applicant: Monolithic 3D Inc.
    Inventor: Zvi Or-Bach
  • Patent number: 11813794
    Abstract: A 3D printing system may include a tank in which a bottom of the tank is formed by a radiation-transparent flexible membrane, a spill tray with an outer wall configured to contain liquid resin that inadvertently leaks out from the bottom of the tank, and a light source configured to project radiation towards the bottom of the tank. The spill tray may contain an inner opening that allows the radiation from the light source to pass through the spill tray to the tank. A 3D printing system may also include a mask assembly which comprises a mask with pixels configurable to be individually transparent or opaque to portions of the radiation projected from the light source and a mask assembly receiving member configured to receive the mask assembly. The mask assembly may also include a rigid guide portion that is insertable into a slot of the mask assembly receiving member.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: November 14, 2023
    Assignee: NEXA3D INC.
    Inventors: Matthew Buckby, Francis Kenyon Whetsell, Miguel Cuevas Sandoval, Avi N. Reichental
  • Patent number: 11812620
    Abstract: A semiconductor device, the device including: a first level including a plurality of first memory arrays, where the first level includes a plurality of first transistors and a plurality of metal layers; a second level disposed on top of the first level, where the second level includes a plurality of second memory arrays, where the first level is bonded to the second level, where the bonded includes oxide to oxide bonding regions and a plurality of metal to metal bonding regions, where the plurality of first memory arrays includes a plurality of first DRAM (Dynamic Random Access Memory) cells, and where the plurality of second memory arrays includes a plurality of second DRAM (Dynamic Random Access Memory) cells.
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: November 7, 2023
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han, Brian Cronquist
  • Patent number: 11806028
    Abstract: Provided herein are 3D-printed patient-specific surgical guides and methods for making and using the same. In at least one embodiment, the guides include a first and second end, a first and second side, a conformal bone engaging surface, a front surface, one or more porous regions, one or more walls, and a plurality of openings. At least one of the plurality of openings extends through the guide between the conformal bone engaging surface and the front surface. The conformal bone engaging surface is contoured to a patient's anatomy. The first and second end, and the first and second side are contoured to avoid soft tissues of the patient.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: November 7, 2023
    Assignee: RESTOR3D, INC.
    Inventors: Joel Bordayo, Brian Garvey, Dhwanit Shashi Vispute, Deepak Padmanabhan
  • Publication number: 20230352333
    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; and a second level including a second single crystal layer, the second level including second transistors, where a top surface of the first level includes a first oxide region and a bottom surface of the second level includes a second oxide region, where the second level overlays the first level, where the second level is bonded to the first level, where the bonded includes oxide to oxide bonds, and where the second transistors are raised source drain extension transistors.
    Type: Application
    Filed: September 15, 2022
    Publication date: November 2, 2023
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 11804396
    Abstract: A method for producing a 3D semiconductor device including: providing a first level including a first single crystal layer; forming a first metal layer on top of the first level; forming a second metal layer on top of the first metal layer; forming at least one second level above the second metal layer; performing a first lithography step on the second level; forming a third level on top of the second level; performing processing steps to form first memory cells within the second level and form second memory cells within the third level, where the first memory cells include at least one second transistor, and the second memory cells include at least one third transistor; and then at performing at least one deposition step which deposits gate electrodes for both the second and the third transistors, and forming at least four independent memory arrays.
    Type: Grant
    Filed: May 22, 2023
    Date of Patent: October 31, 2023
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 11802321
    Abstract: An additive manufacturing method of producing a metal alloy article may involve: Providing a supply of a metal alloy in powder form; providing a supply of a nucleant material, the nucleant material lowering the nucleation energy required to crystallize the metal alloy; blending the supply of metal alloy powder and nucleant material to form a blended mixture; forming the blended mixture into a first layer; subjecting at least a portion of the first layer to energy sufficient to raise the temperature of the first layer to at least the liquidus temperature of the metal alloy; allowing at least a portion of the first layer to cool to a temperature sufficient to allow the metal alloy to recrystallize; forming a second layer of the blended mixture on the first layer; and repeating the subjecting and allowing steps on the second layer to form an additional portion of the metal alloy article.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: October 31, 2023
    Assignee: Elementum 3D, Inc.
    Inventors: Jacob S. Nuechterlein, Jeremy Joseph Iten
  • Publication number: 20230343679
    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 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, and where the second level is overlaid by a first isolation layer; and a connective path from the plurality of transistors to 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 via includes a contact to at least one of the transistors.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 26, 2023
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Publication number: 20230343632
    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; 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 at least one of the second transistors includes a raised source or raised drain transistor structure, where the second level is directly bonded to the first level, and where the bonded includes direct oxide-to-oxide bonds.
    Type: Application
    Filed: June 27, 2023
    Publication date: October 26, 2023
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 11800725
    Abstract: A 3D device including: a first level including first transistors and a first interconnect; a second level including second transistors and overlaying the first level; and at least eight electronic circuit units (ECUs), where each of the at least eight ECUs includes a first circuit, the first circuit including a portion of the first transistors, where each of the at least eight ECUs includes a second circuit including a portion of the second transistors, where each of the at least eight ECUs includes a first vertical bus, where the first vertical bus provides electrical connections between the first circuit and the second circuit, where each of the at least eight ECUs includes at least one processor and at least one memory array, where the second level is bonded to the first level, and where the bonded includes oxide to oxide bonding regions and metal to metal bonding regions.
    Type: Grant
    Filed: February 1, 2023
    Date of Patent: October 24, 2023
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Jin-Woo Han, Brian Cronquist
  • Publication number: 20230335535
    Abstract: A semiconductor device, the device comprising: a first substrate; a first metal layer disposed over said substrate; a second metal layer disposed over said first metal layer; a first level comprising a plurality of transistors, said first level disposed over said second metal layer, wherein said plurality of transistors comprise single crystal silicon; a third metal layer disposed over said first level; a fourth metal layer disposed over said third metal layer, wherein said fourth metal layer is aligned to said first metal layer with a less than 200 nm alignment error; and a via disposed through said first level, wherein said via has a diameter of less than 450 nm, wherein said fourth metal layer provides a global power distribution, and wherein said via is directly connected to at least one of said plurality of transistors.
    Type: Application
    Filed: June 27, 2023
    Publication date: October 19, 2023
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist
  • Patent number: D1003326
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: October 31, 2023
    Assignee: NEXA3D INC.
    Inventors: Avi N. Reichental, Izhar Medalsy, Beneil Eisavi, Eduardo Reveles, Miguel Cuevas Sandoval, Francis Kenyon Whetsell
  • Patent number: D1003973
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: November 7, 2023
    Assignee: SPEED 3D Inc.
    Inventors: Li-Chuan Chiu, Jui-Chun Chung, Hui-Chun Chen, Yi-Ping Cheng