Patents Assigned to AKHAN Semiconductor, Inc.
  • Patent number: 11921319
    Abstract: A transparent display includes a display including a transparent substrate and a patterned diamond layer formed on the transparent substrate to at least in part define a diamond waveguide. At least two electronic devices can be connected by the diamond waveguide, and can include a sensor, a transducer, or electronic circuitry, including communication, control, or data processing electronic circuitry.
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: March 5, 2024
    Assignee: AKHAN SEMICONDUCTOR, INC.
    Inventors: Adam Khan, Kiran Kumar Kovi, Ernest Schirmann, William Alberth
  • Patent number: 11915934
    Abstract: Disclosed herein is a new and improved system and method for fabricating diamond semiconductors. The method may include the steps of selecting a diamond semiconductor material having a surface, exposing the surface to a source gas in an etching chamber, forming a carbide interface contact layer on the surface; and forming a metal layer on the interface layer.
    Type: Grant
    Filed: February 9, 2023
    Date of Patent: February 27, 2024
    Assignee: AKHAN SEMICONDUCTOR, INC.
    Inventor: Adam Khan
  • Patent number: 11837472
    Abstract: Disclosed herein is a new and improved system and method for fabricating monolithically integrated diamond semiconductor. The method may include the steps of seeding the surface of a substrate material, forming a diamond layer upon the surface of the substrate material; and forming a semiconductor layer within the diamond layer, wherein the diamond semiconductor of the semiconductor layer has n-type donor atoms and a diamond lattice, wherein the donor atoms contribute conduction electrons with mobility greater than 770 cm.sup.2/Vs to the diamond lattice at 100 kPa and 300K, and Wherein the n-type donor atoms are introduced to the lattice through ion tracks.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: December 5, 2023
    Assignee: AKHAN SEMICONDUCTOR, INC.
    Inventor: Adam Khan
  • Patent number: 11784048
    Abstract: Disclosed herein is a new and improved system and method for fabricating diamond semiconductors. The system may include a diamond malarial having n-type donor atoms and a diamond lattice, wherein 0.16% of the donor atoms contribute conduction electrons with mobility greater than 770 cm2/Vs to the diamond lattice at 100 kPa and 300K. The method of fabricating diamond semiconductors may include the steps of selecting a diamond material having a diamond lattice; introducing a minimal amount of acceptor dopant atoms to the diamond lattice to create ion tracks; introducing substitutional dopant atoms to the diamond lattice through the ion tracks; and annealing the diamond lattice.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: October 10, 2023
    Assignee: AKHAN Semiconductor, Inc.
    Inventor: Adam Khan
  • Patent number: 11675110
    Abstract: A system and method for diamond based multilayer antireflective coating for optical windows are provided. An antireflective coatings for optical windows may include an optical grade silicon substrate, a first polycrystalline diamond film on the silicon substrate, a germanium film on the first polycrystalline diamond film, a fused silica film on the germanium film; and a second polycrystalline diamond film on the fused silica film. A method of fabricating a diamond based multilayer antireflective coating may include the steps of cleaning and seeding an optical substrate, forming a first diamond layer on the optical substrate, forming a germanium layer on the first diamond layer, forming a fused silica layer on the germanium layer, cleaning and seeding the germanium layer, and forming a second diamond layer on the germanium layer.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: June 13, 2023
    Assignee: AKHAN SEMICONDUCTOR, INC.
    Inventors: Adam Khan, Robert Polak
  • Patent number: 11656404
    Abstract: A transparent display includes a display including a transparent substrate and a patterned diamond layer formed on the transparent substrate to at least in part define a diamond waveguide. At least two electronic devices can be connected by the diamond waveguide, and can include a sensor, a transducer, or electronic circuitry, including communication, control, or data processing electronic circuitry.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: May 23, 2023
    Assignee: AKHAN SEMICONDUCTOR, INC.
    Inventors: Adam Khan, Kiran Kumar Kovi, Ernest Schirmann, William Alberth
  • Patent number: 11605541
    Abstract: Disclosed herein is a new and improved system and method for fabricating diamond semiconductors. The method may include the steps of selecting a diamond semiconductor material having a surface, exposing the surface to a source gas in an etching chamber, forming a carbide interface contact layer on the surface; and forming a metal layer on the interface layer.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: March 14, 2023
    Assignee: AKHAN SEMICONDUCTOR, INC.
    Inventor: Adam Khan
  • Patent number: 11572621
    Abstract: Disclosed herein is system and method for protective diamond coatings. The method may include the steps of cleaning and seeding a substrate, depositing a crystalline diamond layer on the substrate, etching the substrate; and attaching the substrate to protected matter. The crystalline diamond layer may reflect at least 28 percent of electromagnetic energy in a beam having a bandwidth of 800 nanometer to 1 micrometer.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: February 7, 2023
    Assignee: AKHAN SEMICONDUCTOR, INC.
    Inventors: Adam Khan, Robert Polak, Kiran Kumar Kovi
  • Patent number: 11552276
    Abstract: Disclosed herein is a transparent glass system that includes an optical grade silicon substrate, a transparent substrate layer; a titanium dioxide transparent layer, the transparent layer having an index of refraction of 2.35 or greater; and a polycrystalline diamond layer, wherein the transparent layer is between the substrate layer and the polycrystalline diamond layer.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: January 10, 2023
    Assignee: AKHAN Semiconductor, Inc.
    Inventors: Adam Khan, Robert Polak, Priya Raman
  • Patent number: 11112539
    Abstract: A system and method for diamond based multilayer antireflective coating for optical windows are provided. An antireflective coatings for optical windows may include an optical grade silicon substrate, a first polycrystalline diamond film on the silicon substrate, a germanium film on the first polycrystalline diamond film, a fused silica film on the germanium film; and a second polycrystalline diamond film on the fused silica film. A method of fabricating a diamond based multilayer antireflective coating may include the steps of cleaning and seeding an optical substrate, forming a first diamond layer on the optical substrate, forming a germanium layer on the first diamond layer, forming a fused silica layer on the germanium layer, cleaning and seeding the germanium layer, and forming a second diamond layer on the germanium layer.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: September 7, 2021
    Assignee: AKHAN Semiconductor, Inc.
    Inventors: Adam Khan, Robert Polak
  • Patent number: 11107684
    Abstract: Disclosed herein is a new and improved system and method for fabricating monolithically integrated diamond semiconductor. The method may include the steps of seeding the surface of a substrate material, forming a diamond layer upon the surface of the substrate material; and forming a semiconductor layer within the diamond layer, wherein the diamond semiconductor of the semiconductor layer has n-type donor atoms and a diamond lattice, wherein the donor atoms contribute conduction electrons with mobility greater than 770 cm2/Vs to the diamond lattice at 100 kPa and 300K, and Wherein the n-type donor atoms are introduced to the lattice through ion tracks.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: August 31, 2021
    Assignee: AKHAN Semiconductor, Inc.
    Inventor: Adam Khan
  • Patent number: 11043382
    Abstract: Disclosed herein is a new and improved system and method for fabricating diamond semiconductors. The method may include the steps of selecting a diamond semiconductor material having a surface, exposing the surface to a source gas in an etching chamber, forming a carbide interface contact layer on the surface; and forming a metal layer on the interface layer.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: June 22, 2021
    Assignee: AKHAN SEMICONDUCTOR, INC.
    Inventor: Adam Khan
  • Patent number: 10760157
    Abstract: Disclosed herein is a transparent glass system that includes an optical grade silicon substrate, and a nanocrystalline diamond film on the silicon substrate, the diamond film deposited using a chemical vapor deposition system having a reactor in which methane, hydrogen and argon source gases are added. Further disclosed is a method of fabricating transparent glass that includes the steps of seeding an optical grade silicon substrate and forming a nanocrystalline diamond film on the silicon substrate using a chemical vapor deposition system having a reactor in which methane, hydrogen and argon source gases are added.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: September 1, 2020
    Assignee: AKHAN Semiconductor, Inc.
    Inventors: Adam Khan, Robert Polak
  • Patent number: 10725214
    Abstract: A broad band mirror system and method, wherein the system includes a mechanical substrate layer, a reflective metal layer on the mechanical substrate level, and a diamond layer, and the method includes the steps of selecting a sacrificial substrate layer, depositing a diamond layer on the substrate layer, smoothing a first surface of the diamond layer, depositing a reflective metal layer on the diamond layer, bonding a mechanical substrate to the diamond layer, removing the sacrificial substrate level, and smoothing a second diamond surface.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: July 28, 2020
    Assignee: AKHAN Semiconductor, Inc.
    Inventors: Ernest Schirmann, Priya Raman, Adam Khan, Robert Polak
  • Patent number: 10546749
    Abstract: Disclosed herein is a new and improved system and method for fabricating monolithically integrated diamond semiconductor. The method may include the steps of seeding the surface of a substrate material, forming a diamond layer upon the surface of the substrate material; and forming a semiconductor layer within the diamond layer, wherein the diamond semiconductor of the semiconductor layer has n-type donor atoms and a diamond lattice, wherein the donor atoms contribute conduction electrons with mobility greater than 770 cm2/Vs to the diamond lattice at 100 kPa and 300K, and wherein the n-type donor atoms are introduced to the lattice through ion tracks.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: January 28, 2020
    Assignee: AKHAN Semiconductor, Inc.
    Inventor: Adam Khan
  • Patent number: 10422928
    Abstract: A system and method for diamond based multilayer antireflective coating for optical windows are provided. An antireflective coatings for optical windows may include an optical grade silicon substrate, a first polycrystalline diamond film on the silicon substrate, a germanium film on the first polycrystalline diamond film, a fused silica film on the germanium film; and a second polycrystalline diamond film on the fused silica film. A method of fabricating a diamond based multilayer antireflective coating may include the steps of cleaning and seeding an optical substrate, forming a first diamond layer on the optical substrate, forming a germanium layer on the first diamond layer, forming a fused silica layer on the germanium layer, cleaning and seeding the germanium layer, and forming a second diamond layer on the germanium layer.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: September 24, 2019
    Assignee: AKHAN SEMICONDUCTOR, INC.
    Inventors: Adam Khan, Robert Polak
  • Publication number: 20170336537
    Abstract: A system and method for diamond based multilayer antireflective coating for optical windows are provided. An antireflective coatings for optical windows may include an optical grade silicon substrate, a first polycrystalline diamond film on the silicon substrate, a germanium film on the first polycrystalline diamond film, a fused silica film on the germanium film; and a second polycrystalline diamond film on the fused silica film. A method of fabricating a diamond based multilayer antireflective coating may include the steps of cleaning and seeding an optical substrate, forming a first diamond layer on the optical substrate, forming a germanium layer on the first diamond layer, forming a fused silica layer on the germanium layer, cleaning and seeding the germanium layer, and forming a second diamond layer on the germanium layer.
    Type: Application
    Filed: March 1, 2017
    Publication date: November 23, 2017
    Applicant: AKHAN SEMICONDUCTOR INC
    Inventors: Adam Khan, Robert Polak
  • Patent number: 8933462
    Abstract: Disclosed herein is a new and improved system and method for fabricating diamond semiconductors. The method may include the steps of selecting a diamond semiconductor material having a surface, exposing the surface to a source gas in an etching chamber, forming a carbide interface contact layer on the surface; and forming a metal layer on the interface layer.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: January 13, 2015
    Assignee: AKHAN Semiconductor, Inc.
    Inventor: Adam Khan