Patents by Inventor Deepak C. Sekar

Deepak C. Sekar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20260090679
    Abstract: An automated food making apparatus is described. An automated food making apparatus can include: a carousel; a dispensing apparatus shared among a plurality of canisters on the carousel, wherein at least one canister includes a paddle; and wherein the dispensing apparatus is configured to rotate the canister's paddle to dispense ingredients stored in the canister. A dispensing mechanism for an automated food making apparatus can include: an actuator arm; a motor that is adapted to rotate the actuator arm; one or more magnets embedded in the actuator arm; and one or more sensors configured to detect position of the actuator arm; wherein the actuator arm dispenses ingredients by rotating a pin located on a canister.
    Type: Application
    Filed: May 13, 2025
    Publication date: April 2, 2026
    Inventors: Kathirgugan Kathirasen, Deepak C. Sekar, Brian Richardson, Sanath Bhat, Victoria Reidling
  • Patent number: 12564006
    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: Grant
    Filed: August 8, 2024
    Date of Patent: February 24, 2026
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Publication number: 20260052969
    Abstract: Methods to fabricate a semiconductor device, the method including: forming a first level, the first level including a single crystal silicon layer, a plurality of transistors, and a plurality of first metal layers, where each transistor of the plurality of transistors includes a single crystal channel, and where the plurality of first metal layers include interconnections between the transistors of the plurality of transistors; thinning the single crystal silicon layer to a thickness of less than two microns; forming a second level, the second level including a plurality of second metal layers, where the second level is disposed underneath the first level; and forming a connection path between at least one of the transistors to at least one of the plurality of second metal layers, where the connective path includes at least one via disposed through at least the single crystal silicon layer.
    Type: Application
    Filed: October 26, 2025
    Publication date: February 19, 2026
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Publication number: 20260040886
    Abstract: Methods of fabricating a 3D semiconductor device including: forming a first level including a first single crystal layer and first transistors, includes a single crystal channel; forming a first metal layer in the first level and a second metal layer overlaying the first metal layer; forming memory control circuits in the first level; forming a second level including second transistors, where at least one of the second transistors includes a metal gate; forming a third level including third transistors; forming a fourth level including fourth transistors, where the second level includes first memory cells, where the fourth level includes second memory cells, where the memory control circuits include control of data written into the first memory cells and into the second memory cells, where at least one of the transistors includes a hafnium oxide gate dielectric.
    Type: Application
    Filed: October 6, 2025
    Publication date: February 5, 2026
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 12476168
    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: Grant
    Filed: July 20, 2024
    Date of Patent: November 18, 2025
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Publication number: 20250351591
    Abstract: A method for fabricating an integrated device, the method including: forming a first level including a first mono-crystal layer, where forming the first level includes forming a plurality of single crystal transistors, a plurality of pixel control circuits, and a plurality of recessed channel transistors therein; disposing an overlying oxide on top of the first level; providing a second level including a second mono-crystal layer, where the second mono-crystal layer includes a plurality of image sensors; bonding the second level to the first level via an oxide-to-oxide bond such that the second level overlays the oxide; and including disposing a third level underneath the first level, where the third level includes a plurality of third transistors, and where the plurality of third transistors each include a single crystal channel.
    Type: Application
    Filed: July 24, 2025
    Publication date: November 13, 2025
    Applicant: Monolithic 3D inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Patent number: 12469735
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer and including first transistors each of which includes a single crystal channel; a first metal layer; a second metal layer overlaying the first metal layer; a second level including second transistors and overlaying the second metal layer, each of first memory cells include at least one second transistor; a third level including third transistors and overlaying the second level; a fourth level including fourth transistors and overlaying the third level, each of second memory cells include at least one fourth transistor, where at least one of the second transistors includes a metal gate, where the first level includes memory control circuits which control writing to the second memory cells, and at least one of the second transistors includes a hafnium oxide gate dielectric.
    Type: Grant
    Filed: December 21, 2024
    Date of Patent: November 11, 2025
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 12464734
    Abstract: A method for producing a 3D semiconductor device including: providing a first level, including a single crystal layer; forming memory control circuits in and/or on the first level which include first single crystal transistors and at least two interconnection metal layers; forming at least one second level; performing a first etch step into the second level; forming at least one third level 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 including a metal gate, where each of the second memory cells include at least one third transistor; and performing bonding of the first level to the second level, where the first level includes control of power delivery to the at least one third transistor.
    Type: Grant
    Filed: December 8, 2024
    Date of Patent: November 4, 2025
    Assignee: Monolithic 3D Inc.
    Inventors: Deepak C. Sekar, Zvi Or-Bach
  • Patent number: 12463076
    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 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, where the bonded includes metal to metal bonds, and where at least one of the first transistors controls power delivery to at least one of the second transistors.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: November 4, 2025
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Publication number: 20250308970
    Abstract: A 3D semiconductor device, including: a first level including a first single crystal layer, memory control circuits, and first transistors, where each of the first transistors includes a single crystal channel; a first metal layer; a second metal layer connected to the first metal layer, at least one Phase-Lock-Loop or Digital-Lock-Loop circuit; a second level overlaying the first level including second transistors, a third level overlaying the second level and including third transistors; a fourth level overlaying the third level and including fourth transistors, the second level includes first memory cells, where each includes at least one of the second transistors which may include a metal gate, the fourth level includes second memory cells which each includes at least one of the fourth transistors, where the memory control circuits control writing to the second memory cells, where at least one of the second transistors includes a hafnium-oxide gate dielectric.
    Type: Application
    Filed: June 11, 2025
    Publication date: October 2, 2025
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar, Zeev Wurman, Israel Beinglass
  • Publication number: 20250309209
    Abstract: A multi-level semiconductor device, the device including: a first level including integrated circuits; a second level including at least one electromagnetic wave receiver, where the second level is disposed above the first level, where the integrated circuits include single crystal transistors; an oxide layer disposed between the first level and the second level; at least one read out circuit, where the second level is bonded to the oxide layer, and where the bonded includes oxide to oxide bonds; a first structure designed to conduct electromagnetic waves; and an electromagnetic wave transmitter, where the transmitter includes at least one modulator.
    Type: Application
    Filed: June 9, 2025
    Publication date: October 2, 2025
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Patent number: 12396284
    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: Grant
    Filed: July 20, 2024
    Date of Patent: August 19, 2025
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Patent number: 12360310
    Abstract: A multi-level semiconductor device, the device comprising: a first level comprising integrated circuits; a second level comprising at least one electromagnetic wave receiver, wherein said second level is disposed above said first level, wherein said integrated circuits comprise single crystal transistors; and an oxide layer disposed between said first level and said second level, wherein said device comprises at least one read out circuit, wherein said second level is bonded to said oxide layer, and wherein said bonded comprises oxide to oxide bonds.
    Type: Grant
    Filed: March 30, 2024
    Date of Patent: July 15, 2025
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Patent number: 12362219
    Abstract: A 3D semiconductor memory, the memory including: a first level including first memory cells, first transistors, and a first control line, where the first memory cells each include one of the first transistors; a second level including second memory cells, second transistors, and a second control line, where the second memory cells each include one of the second transistors, where the second level overlays the first level, where the second control line and the first control line have been processed following the same lithography step and accordingly are self-aligned, where the first control line is directly connected to each source or drain of at least five of the first transistors, and where the second control line is directly connected to each source or drain of at least five of the second transistors; and an oxide layer disposed between the first control line and the second control line.
    Type: Grant
    Filed: August 10, 2019
    Date of Patent: July 15, 2025
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar, Zeev Wurman, Israel Beinglass
  • Patent number: 12318044
    Abstract: An automated food making apparatus is described. An automated food making apparatus can include: a carousel; a dispensing apparatus shared among a plurality of canisters on the carousel, wherein at least one canister includes a paddle; and wherein the dispensing apparatus is configured to rotate the canister's paddle to dispense ingredients stored in the canister. A dispensing mechanism for an automated food making apparatus can include: an actuator arm; a motor that is adapted to rotate the actuator arm; one or more magnets embedded in the actuator arm; and one or more sensors configured to detect position of the actuator arm; wherein the actuator arm dispenses ingredients by rotating a pin located on a canister.
    Type: Grant
    Filed: December 22, 2023
    Date of Patent: June 3, 2025
    Assignee: DoorDash, Inc.
    Inventors: Kathirgugan Kathirasen, Deepak C. Sekar, Brian Richardson, Sanath Bhat, Victoria Reidling
  • Publication number: 20250133749
    Abstract: A method for producing a 3D semiconductor device including: providing a first level, including a single crystal layer; forming memory control circuits in and/or on the first level which include first single crystal transistors and at least two interconnection metal layers; forming at least one second level; performing a first etch step into the second level; forming at least one third level 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 including a metal gate, where each of the second memory cells include at least one third transistor; and performing bonding of the first level to the second level, where the first level includes control of power delivery to the at least one third transistor.
    Type: Application
    Filed: December 8, 2024
    Publication date: April 24, 2025
    Applicant: Monolithic 3D Inc.
    Inventors: Deepak C. Sekar, Zvi Or-Bach
  • Publication number: 20250132187
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer and including first transistors each of which includes a single crystal channel; a first metal layer; a second metal layer overlaying the first metal layer; a second level including second transistors and overlaying the second metal layer, each of first memory cells include at least one second transistor; a third level including third transistors and overlaying the second level; a fourth level including fourth transistors and overlaying the third level, each of second memory cells include at least one fourth transistor, where at least one of the second transistors includes a metal gate, where the first level includes memory control circuits which control writing to the second memory cells, and at least one of the second transistors includes a hafnium oxide gate dielectric.
    Type: Application
    Filed: December 21, 2024
    Publication date: April 24, 2025
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 12272586
    Abstract: 3D semiconductor device including: a first level including first single-crystal transistors; a plurality of memory control circuits formed from at least a portion of the first single-crystal transistors; a first metal layer disposed atop the first single-crystal transistors; a second metal layer disposed atop the first metal layer, a second level disposed atop the second metal layer includes second transistors and a memory array of first memory cells, a third level including second memory cells which include some third transistors, which themselves include a metal gate and is disposed above the second level; a third metal layer disposed above the third level; a fourth metal layer disposed above the third metal layer, a connective path from the third metal layer to the second metal layer with a thru second level via of a diameter less than 800 nm which also passes thru the memory array, different write voltages for different dies.
    Type: Grant
    Filed: December 17, 2023
    Date of Patent: April 8, 2025
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 12243765
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer and including first transistors which each 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 at least one of the second transistors includes a metal gate, 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: September 9, 2024
    Date of Patent: March 4, 2025
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar
  • Patent number: 12225737
    Abstract: A method for producing a 3D semiconductor device including: providing a first level, including a single crystal layer; forming memory control circuits in and/or on the first level which include first single crystal transistors and at least two interconnection metal layers; forming at least one second level disposed above the memory control circuits; performing a first etch step into the second level; forming at least one third level 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 including a metal gate, where each of the second memory cells include at least one third transistor; and performing bonding of the first level to the second level, where the bonding includes oxide to oxide bonding.
    Type: Grant
    Filed: March 6, 2024
    Date of Patent: February 11, 2025
    Assignee: Monolithic 3D Inc.
    Inventors: Deepak C. Sekar, Zvi Or-Bach