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: 20210118943
    Abstract: A 3D micro display, the 3D micro display including: a first single crystal layer including at least one LED driving circuit; a second single crystal layer including a first plurality of light emitting diodes (LEDs), where the second single crystal layer includes at least ten individual first LED pixels; and a second plurality of light emitting diodes (LEDs), 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 where the 3D micro display includes an oxide to oxide bonding structure.
    Type: Application
    Filed: December 5, 2020
    Publication date: April 22, 2021
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar
  • Patent number: 10978501
    Abstract: A multi-level semiconductor device, the device including: a first level including integrated circuits; a second level including an electromagnetic waveguide, where the second level is disposed above the first level, where the first level includes crystalline silicon; 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: Grant
    Filed: December 14, 2020
    Date of Patent: April 13, 2021
    Assignee: MONOLITHIC 3D INC.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Patent number: 10943934
    Abstract: A multi-level semiconductor device, the device including: a first level including integrated circuits; a second level including an optical waveguide, where the second level is disposed above the first level, where the first level includes crystalline silicon; 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: Grant
    Filed: September 21, 2020
    Date of Patent: March 9, 2021
    Assignee: MONOLITHIC 3D INC.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Paul Lim
  • Patent number: 10896931
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer and 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 and second transistors, where the second level overlays the first level, where the second transistors are horizontally oriented and each include at least two side gates, where the second level is bonded to the first level, and where the bonded includes oxide to oxide bonds.
    Type: Grant
    Filed: September 7, 2020
    Date of Patent: January 19, 2021
    Assignee: Monolithic 3D Inc.
    Inventors: Deepak C. Sekar, Zvi Or-Bach
  • Publication number: 20210005762
    Abstract: A multi-level semiconductor device, the device including: a first level including integrated circuits; a second level including an optical waveguide, where the second level is disposed above the first level, where the first level includes crystalline silicon; 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: Application
    Filed: September 21, 2020
    Publication date: January 7, 2021
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Paul Lim
  • Publication number: 20210000301
    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: July 21, 2020
    Publication date: January 7, 2021
    Inventors: Kathirgugan Kathirasen, Deepak C. Sekar, Brian Richardson, Sanath Bhat, Victoria Reidling
  • Publication number: 20200411594
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer and 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 and second transistors, where the second level overlays the first level, where the second transistors are horizontally oriented and each include at least two side gates, where the second level is bonded to the first level, and where the bonded includes oxide to oxide bonds.
    Type: Application
    Filed: September 7, 2020
    Publication date: December 31, 2020
    Applicant: Monolithic 3D Inc.
    Inventors: Deepak C. Sekar, Zvi Or-Bach
  • Publication number: 20200365463
    Abstract: A 3D semiconductor device, the device including: a first level overlaid by a second level overlaid by a third level overlaid by a fourth level, where the second level includes an array of first memory cells, the first memory cells including first transistors, the first transistors including first sources, first gates, and first drains, where each of the first transistors includes a single the first source, a single the first gate, and a single the first drain, where the third level includes an array of second memory cells, the second memory cells including second transistors, the second transistors including second sources, second gates, and second drains, where each of the second transistors includes a single the second source, a single the second gate, and a single the second drain, where at least one of the first memory cells is self-aligned to at least one of the second memory cells, being processed following the same lithography step; vertically oriented word-lines adapted to control a plurality of the f
    Type: Application
    Filed: August 6, 2020
    Publication date: November 19, 2020
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Publication number: 20200365583
    Abstract: A 3D integrated circuit, the circuit including: a first wafer including a first crystalline substrate, a plurality of first transistors, and first copper interconnecting layers, where the first copper interconnecting layers at least interconnect the plurality of first transistors; and a second wafer including a second crystalline substrate, a plurality of second transistors, and second copper interconnecting layers, where the second copper interconnecting layers at least interconnect the plurality of second transistors; where the second wafer is bonded face-to-face on top of the first wafer, where the bonded includes copper to copper bonding; and where the second crystalline substrate has been thinned to a thickness of less than 5 micro-meters.
    Type: Application
    Filed: July 31, 2020
    Publication date: November 19, 2020
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Patent number: 10833108
    Abstract: A 3D micro display, the 3D micro display including: a first single crystal layer including at least one LED driving circuit; a second single crystal layer including a first plurality of light emitting diodes (LEDs), where the second single crystal layer is on top of the first single crystal layer, where the second single crystal layer includes at least ten individual first LED pixels; and a second plurality of light emitting diodes (LEDs), where the 3D micro display includes an oxide to oxide bonding structure.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: November 10, 2020
    Assignee: Monolithic 3D INC.
    Inventors: Zvi Or-Bach, Deepak C. Sekar
  • Publication number: 20200350310
    Abstract: A method to form a 3D integrated circuit, the method including: providing a first wafer including a first crystalline substrate, a plurality of first transistors, and first copper interconnecting layers, where the first copper interconnecting layers at least interconnect the plurality of first transistors; providing a second wafer including a second crystalline substrate, a plurality of second transistors, and second copper interconnecting layers, where the second copper interconnecting layers at least interconnect the plurality of second transistors; and then performing a face-to-face bonding of the second wafer on top of the first wafer, where the face-to-face bonding includes copper to copper bonding; and thinning the second crystalline substrate to a thickness of less than 5 micro-meters.
    Type: Application
    Filed: July 22, 2020
    Publication date: November 5, 2020
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist, Zeev Wurman
  • Patent number: 10825864
    Abstract: A 3D semiconductor device, the device including: a first level including a first single crystal layer; first transistors overlaying the first single crystal layer; second transistors overlaying the first transistors; and a second level including a second single crystal layer, the second level overlays the second transistors, where the first transistors and the second transistors each includes a polysilicon channel.
    Type: Grant
    Filed: May 11, 2019
    Date of Patent: November 3, 2020
    Assignee: Monolithic 3D Inc.
    Inventors: Deepak C. Sekar, Zvi Or-Bach
  • Patent number: 10813503
    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: March 3, 2017
    Date of Patent: October 27, 2020
    Assignee: Casabots Inc.
    Inventors: Kathirgugan Kathirasen, Deepak C. Sekar, Brian Richardson, Sanath Bhat, Victoria Reidling
  • Publication number: 20200335399
    Abstract: A 3D semiconductor device including: a first level including first single crystal silicon and a plurality of first transistors; a first metal layer including interconnects between the plurality of first transistors; a second level on top of the first metal layer, the second level including a plurality of second transistors; a third level on top of the second level, the third level including a plurality of third transistors; an oxide layer on top of the third level; a fourth level on top of the oxide layer, the fourth level including second single crystal silicon and many fourth transistors, where at least one of the plurality of second transistors is at least partially self-aligned to at least one of the plurality of third transistors, both being formed following the same lithography step, the fourth level is bonded to the oxide layer, the bonded includes many metal to metal bonded structures.
    Type: Application
    Filed: June 29, 2020
    Publication date: October 22, 2020
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Publication number: 20200259048
    Abstract: A 3D micro display, the 3D micro display including: a first single crystal layer including at least one LED driving circuit; a second single crystal layer including a first plurality of light emitting diodes (LEDs), where the second single crystal layer is on top of the first single crystal layer, where the second single crystal layer includes at least ten individual first LED pixels; and a second plurality of light emitting diodes (LEDs), where the 3D micro display includes an oxide to oxide bonding structure.
    Type: Application
    Filed: April 27, 2020
    Publication date: August 13, 2020
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar
  • Publication number: 20200243423
    Abstract: A 3D semiconductor device, the device including: a first level including single crystal first transistors, where the first level is overlaid by a first isolation layer; a second level including second transistors, where the first isolation layer is overlaid by the second level, and where the second level is overlaid by a second isolation layer; a third level including single crystal third transistors, where the second isolation layer is overlaid by the third level, where the third level is overlaid by a third isolation layer, and where the first isolation layer and the second isolation layer are separated by a distance of less than four microns.
    Type: Application
    Filed: April 19, 2020
    Publication date: July 30, 2020
    Applicant: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Patent number: 10679977
    Abstract: A 3D micro display, the micro display including: a first single crystal layer including at least one LED driving circuit; and a second single crystal layer including a plurality of light emitting diodes (LEDs), where the second single crystal layer overlays the first single crystal layer, where the second single crystal layer includes at least ten first LED pixels, and where the second single crystal layer and the first single crystal layer are separated by a vertical distance of less than ten microns.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: June 9, 2020
    Assignee: Monolithic 3D Inc.
    Inventors: Zvi Or-Bach, Deepak C. Sekar
  • Patent number: 10665695
    Abstract: A 3D semiconductor device, the device including: a first level including single crystal first transistors, where the first level is overlaid by a first isolation layer; a second level including single crystal second transistors, where the first isolation layer is overlaid by the second level, and where the second level is overlaid by a second isolation layer; a third level including single crystal third transistors, where the second isolation layer is overlaid by the third level, where the third level is overlaid by a third isolation layer, and where the first isolation layer and the second isolation layer are separated by a distance of less than four microns.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: May 26, 2020
    Assignee: MONOLITHIC 3D INC.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Patent number: 10600888
    Abstract: A 3D semiconductor device, the device including: a first level including a plurality of first single crystal transistors, contacts, and a first metal layer, where a portion of the first single crystal transistors are interconnected, where the interconnected includes the first metal layer and the contacts, and where the portion of the first single crystal transistors are interconnected forms memory control circuits; a second level overlaying the first level, 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; a fourth level overlaying the third level, the fourth level including a plurality of fourth transistors; and a second metal layer overlaying the fourth level, where the plurality of second transistors are aligned to the plurality of first transistors with a less than 40 nm alignment error.
    Type: Grant
    Filed: June 10, 2018
    Date of Patent: March 24, 2020
    Assignee: MONOLITHIC 3D INC.
    Inventors: Zvi Or-Bach, Deepak C. Sekar, Brian Cronquist
  • Patent number: 10497713
    Abstract: A semiconductor memory, including: a first memory cell including a first transistor; a second memory cell including a second transistor; and a memory peripherals transistor, the memory peripherals transistor is overlaying the second transistor or is underneath the first transistor, where the second memory cell overlays the first memory cell at a distance of less than 200 nm, and where the memory peripherals transistor is part of a peripherals circuit controlling the memory.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: December 3, 2019
    Assignee: MONOLITHIC 3D INC.
    Inventors: Zvi Or-Bach, Brian Cronquist, Deepak C. Sekar, Zeev Wurman, Israel Beinglass