Patents by Inventor Dilip Risbud

Dilip Risbud 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).

  • Patent number: 11735460
    Abstract: An integrated circuit device includes an engineered substrate including a substantially single crystal layer and a buffer layer coupled to the substantially single crystal layer. The integrated circuit device also includes a plurality of semiconductor devices coupled to the buffer layer. The plurality of semiconductor devices can include a first power device coupled to a first portion of the buffer layer and a second power device coupled to a second portion of the buffer layer. The first power device includes a first channel region comprising a first end, a second end, and a first central portion disposed between the first end and the second end. The second power device includes a second channel region comprising a third end, a fourth end, and a second central portion disposed between the third end and the fourth end.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: August 22, 2023
    Assignee: Qromis, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Publication number: 20210358795
    Abstract: An integrated circuit device includes an engineered substrate including a substantially single crystal layer and a buffer layer coupled to the substantially single crystal layer. The integrated circuit device also includes a plurality of semiconductor devices coupled to the buffer layer. The plurality of semiconductor devices can include a first power device coupled to a first portion of the buffer layer and a second power device coupled to a second portion of the buffer layer. The first power device includes a first channel region comprising a first end, a second end, and a first central portion disposed between the first end and the second end. The second power device includes a second channel region comprising a third end, a fourth end, and a second central portion disposed between the third end and the fourth end.
    Type: Application
    Filed: July 28, 2021
    Publication date: November 18, 2021
    Applicant: QROMIS, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Patent number: 11164743
    Abstract: A method of forming a plurality of devices on an engineered substrate structure includes forming an engineered substrate by providing a polycrystalline ceramic core, encapsulating the polycrystalline ceramic core with a first adhesion shell, encapsulating the first adhesion shell with a barrier layer, forming a bonding layer on the barrier layer, and forming a substantially single crystal layer coupled to the bonding layer. The method further comprises forming a buffer layer coupled to the substantially single crystal layer, forming one or more epitaxial III-V layers on the buffer layer according to requirements associated with the plurality of devices, and forming the plurality of devices on the substrate by removing a portion of the one or more epitaxial III-V layers disposed between the plurality of devices and removing a portion of the buffer layer disposed between the plurality of devices.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: November 2, 2021
    Assignee: QROMIS, INC.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Patent number: 11107720
    Abstract: A semiconductor diode includes an engineered substrate including a substantially single crystal layer, a buffer layer coupled to the substantially single crystal layer, and a semi-insulating layer coupled to the buffer layer. The semiconductor diode also includes a first N-type gallium nitride layer coupled to the semi-insulating layer and a second N-type gallium nitride layer coupled to the first N-type gallium nitride layer. The first N-type gallium nitride layer has a first doping concentration and the second N-type gallium nitride layer has a second doping concentration less than the first doping concentration. The semiconductor diode further includes a P-type gallium nitride layer coupled to the second N-type gallium nitride layer, an anode contact coupled to the P-type gallium nitride layer, and a cathode contact coupled to a portion of the first N-type gallium nitride layer.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: August 31, 2021
    Assignee: Qromis, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Patent number: 10755986
    Abstract: A substrate structure includes a polycrystalline substrate, a plurality of thin film layers disposed on the polycrystalline substrate, a bonding layer coupled to at least a portion of the plurality of thin films, and a single crystal silicon layer joined to the bonding layer.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: August 25, 2020
    Assignee: QROMIS, INC.
    Inventors: Ozgur Aktas, Vladimir Odnoblyudov, Dilip Risbud, Cem Basceri
  • Publication number: 20200152456
    Abstract: A method of forming a plurality of devices on an engineered substrate structure includes forming an engineered substrate by providing a polycrystalline ceramic core, encapsulating the polycrystalline ceramic core with a first adhesion shell, encapsulating the first adhesion shell with a barrier layer, forming a bonding layer on the barrier layer, and forming a substantially single crystal layer coupled to the bonding layer. The method further comprises forming a buffer layer coupled to the substantially single crystal layer, forming one or more epitaxial III-V layers on the buffer layer according to requirements associated with the plurality of devices, and forming the plurality of devices on the substrate by removing a portion of the one or more epitaxial III-V layers disposed between the plurality of devices and removing a portion of the buffer layer disposed between the plurality of devices.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 14, 2020
    Applicant: QROMIS, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Publication number: 20200111698
    Abstract: A semiconductor diode includes an engineered substrate including a substantially single crystal layer, a buffer layer coupled to the substantially single crystal layer, and a semi-insulating layer coupled to the buffer layer. The semiconductor diode also includes a first N-type gallium nitride layer coupled to the semi-insulating layer and a second N-type gallium nitride layer coupled to the first N-type gallium nitride layer. The first N-type gallium nitride layer has a first doping concentration and the second N-type gallium nitride layer has a second doping concentration less than the first doping concentration. The semiconductor diode further includes a P-type gallium nitride layer coupled to the second N-type gallium nitride layer, an anode contact coupled to the P-type gallium nitride layer, and a cathode contact coupled to a portion of the first N-type gallium nitride layer.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 9, 2020
    Applicant: QROMIS, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Patent number: 10573516
    Abstract: A method of forming a plurality of devices on an engineered substrate structure includes forming an engineered substrate by providing a polycrystalline ceramic core, encapsulating the polycrystalline ceramic core with a first adhesion shell, encapsulating the first adhesion shell with a barrier layer, forming a bonding layer on the barrier layer, and forming a substantially single crystal layer coupled to the bonding layer. The method further comprises forming a buffer layer coupled to the substantially single crystal layer, forming one or more epitaxial III-V layers on the buffer layer according to requirements associated with the plurality of devices, and forming the plurality of devices on the substrate by removing a portion of the one or more epitaxial III-V layers disposed between the plurality of devices and removing a portion of the buffer layer disposed between the plurality of devices.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: February 25, 2020
    Assignee: Qromis, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Patent number: 10535547
    Abstract: A semiconductor diode includes an engineered substrate including a substantially single crystal layer, a buffer layer coupled to the substantially single crystal layer, and a semi-insulating layer coupled to the buffer layer. The semiconductor diode also includes a first N-type gallium nitride layer coupled to the semi-insulating layer and a second N-type gallium nitride layer coupled to the first N-type gallium nitride layer. The first N-type gallium nitride layer has a first doping concentration and the second N-type gallium nitride layer has a second doping concentration less than the first doping concentration. The semiconductor diode further includes a P-type gallium nitride layer coupled to the second N-type gallium nitride layer, an anode contact coupled to the P-type gallium nitride layer, and a cathode contact coupled to a portion of the first N-type gallium nitride layer.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: January 14, 2020
    Assignee: QROMIS, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Patent number: 10529613
    Abstract: A power device includes a substrate comprising a polycrystalline ceramic core, a first adhesion layer coupled to the polycrystalline ceramic core, a barrier layer coupled to the first adhesion layer, a bonding layer coupled to the barrier layer, and a substantially single crystal layer coupled to the bonding layer. The power device also includes a buffer layer coupled to the substantially single crystal layer and a channel region coupled to the buffer layer. The channel region comprises a first end, a second end, and a central portion disposed between the first end and the second end. The channel region also includes a channel region barrier layer coupled to the buffer layer. The power device further includes a source contact disposed at the first end of the channel region, a drain contact disposed at the second end of the channel region, and a gate contact coupled to the channel region.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: January 7, 2020
    Assignee: QROMIS, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Publication number: 20190326148
    Abstract: A power device includes a substrate comprising a polycrystalline ceramic core, a first adhesion layer coupled to the polycrystalline ceramic core, a barrier layer coupled to the first adhesion layer, a bonding layer coupled to the barrier layer, and a substantially single crystal layer coupled to the bonding layer. The power device also includes a buffer layer coupled to the substantially single crystal layer and a channel region coupled to the buffer layer. The channel region comprises a first end, a second end, and a central portion disposed between the first end and the second end. The channel region also includes a channel region barrier layer coupled to the buffer layer. The power device further includes a source contact disposed at the first end of the channel region, a drain contact disposed at the second end of the channel region, and a gate contact coupled to the channel region.
    Type: Application
    Filed: July 1, 2019
    Publication date: October 24, 2019
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Patent number: 10395965
    Abstract: A power device includes a substrate comprising a polycrystalline ceramic core, a first adhesion layer coupled to the polycrystalline ceramic core, a barrier layer coupled to the first adhesion layer, a bonding layer coupled to the barrier layer, and a substantially single crystal layer coupled to the bonding layer. The power device also includes a buffer layer coupled to the substantially single crystal layer and a channel region coupled to the buffer layer. The channel region comprises a first end, a second end, and a central portion disposed between the first end and the second end. The channel region also includes a channel region barrier layer coupled to the buffer layer. The power device further includes a source contact disposed at the first end of the channel region, a drain contact disposed at the second end of the channel region, and a gate contact coupled to the channel region.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: August 27, 2019
    Assignee: Qromis, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Publication number: 20190172709
    Abstract: A method of forming a plurality of devices on an engineered substrate structure includes forming an engineered substrate by providing a polycrystalline ceramic core, encapsulating the polycrystalline ceramic core with a first adhesion shell, encapsulating the first adhesion shell with a barrier layer, forming a bonding layer on the barrier layer, and forming a substantially single crystal layer coupled to the bonding layer. The method further comprises forming a buffer layer coupled to the substantially single crystal layer, forming one or more epitaxial III-V layers on the buffer layer according to requirements associated with the plurality of devices, and forming the plurality of devices on the substrate by removing a portion of the one or more epitaxial III-V layers disposed between the plurality of devices and removing a portion of the buffer layer disposed between the plurality of devices.
    Type: Application
    Filed: December 3, 2018
    Publication date: June 6, 2019
    Applicant: QROMIS, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Patent number: 10290674
    Abstract: A gallium nitride based integrated circuit architecture includes a first electronic device including a first set of III-N epitaxial layers and a second electronic device including a second set of III-N epitaxial layers. The gallium nitride based integrated circuit architecture also includes one or more interconnects between the first electronic device and the second electronic device. The first electronic device and the second electronic device are disposed in a chip scale package.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: May 14, 2019
    Assignee: Qromis, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Cem Basceri
  • Publication number: 20190122916
    Abstract: A semiconductor diode includes an engineered substrate including a substantially single crystal layer, a buffer layer coupled to the substantially single crystal layer, and a semi-insulating layer coupled to the buffer layer. The semiconductor diode also includes a first N-type gallium nitride layer coupled to the semi-insulating layer and a second N-type gallium nitride layer coupled to the first N-type gallium nitride layer. The first N-type gallium nitride layer has a first doping concentration and the second N-type gallium nitride layer has a second doping concentration less than the first doping concentration. The semiconductor diode further includes a P-type gallium nitride layer coupled to the second N-type gallium nitride layer, an anode contact coupled to the P-type gallium nitride layer, and a cathode contact coupled to a portion of the first N-type gallium nitride layer.
    Type: Application
    Filed: December 7, 2018
    Publication date: April 25, 2019
    Applicant: QROMIS, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Patent number: 10204778
    Abstract: A method of forming a semiconductor device includes providing an engineered substrate. The engineered substrate includes a polycrystalline ceramic core, a barrier layer encapsulating the polycrystalline ceramic core, a bonding layer coupled to the barrier layer, and a substantially single crystalline silicon layer coupled to the bonding layer. The method further includes forming a Schottky diode coupled to the engineered substrate. The Schottky diode has a top surface and a bottom surface. The bottom surface is coupled to the substantially single crystalline silicon layer. The method further includes forming a Schottky contact coupled to the top surface of the Schottky diode, forming a metal plating coupled to the Schottky contact, removing the engineered substrate to expose the bottom surface of the Schottky diode, and forming an ohmic contact on the bottom surface of the Schottky diode.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: February 12, 2019
    Assignee: Qromis, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas
  • Patent number: 10181419
    Abstract: A semiconductor diode includes an engineered substrate including a substantially single crystal layer, a buffer layer coupled to the substantially single crystal layer, and a semi-insulating layer coupled to the buffer layer. The semiconductor diode also includes a first N-type gallium nitride layer coupled to the semi-insulating layer and a second N-type gallium nitride layer coupled to the first N-type gallium nitride layer. The first N-type gallium nitride layer has a first doping concentration and the second N-type gallium nitride layer has a second doping concentration less than the first doping concentration. The semiconductor diode further includes a P-type gallium nitride layer coupled to the second N-type gallium nitride layer, an anode contact coupled to the P-type gallium nitride layer, and a cathode contact coupled to a portion of the first N-type gallium nitride layer.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: January 15, 2019
    Assignee: QROMIS, INC.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Publication number: 20180182620
    Abstract: A method of forming a semiconductor device includes providing an engineered substrate. The engineered substrate includes a polycrystalline ceramic core, a barrier layer encapsulating the polycrystalline ceramic core, a bonding layer coupled to the barrier layer, and a substantially single crystalline silicon layer coupled to the bonding layer. The method further includes forming a Schottky diode coupled to the engineered substrate. The Schottky diode has a top surface and a bottom surface. the bottom surface is coupled to the substantially single crystalline silicon layer. The method further includes forming a Schottky contact coupled to the top surface of the Schottky diode, forming a metal plating coupled to the Schottky contact, removing the engineered substrate to expose the bottom surface of the Schottky diode, and forming an ohmic contact on the bottom surface of the Schottky diode.
    Type: Application
    Filed: December 19, 2017
    Publication date: June 28, 2018
    Applicant: QROMIS, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas
  • Publication number: 20180061630
    Abstract: A semiconductor diode includes an engineered substrate including a substantially single crystal layer, a buffer layer coupled to the substantially single crystal layer, and a semi-insulating layer coupled to the buffer layer. The semiconductor diode also includes a first N-type gallium nitride layer coupled to the semi-insulating layer and a second N-type gallium nitride layer coupled to the first N-type gallium nitride layer. The first N-type gallium nitride layer has a first doping concentration and the second N-type gallium nitride layer has a second doping concentration less than the first doping concentration. The semiconductor diode further includes a P-type gallium nitride layer coupled to the second N-type gallium nitride layer, an anode contact coupled to the P-type gallium nitride layer, and a cathode contact coupled to a portion of the first N-type gallium nitride layer.
    Type: Application
    Filed: August 23, 2017
    Publication date: March 1, 2018
    Applicant: Quora Technology, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri
  • Publication number: 20180061694
    Abstract: A power device includes a substrate comprising a polycrystalline ceramic core, a first adhesion layer coupled to the polycrystalline ceramic core, a barrier layer coupled to the first adhesion layer, a bonding layer coupled to the barrier layer, and a substantially single crystal layer coupled to the bonding layer. The power device also includes a buffer layer coupled to the substantially single crystal layer and a channel region coupled to the buffer layer. The channel region comprises a first end, a second end, and a central portion disposed between the first end and the second end. The channel region also includes a channel region barrier layer coupled to the buffer layer. The power device further includes a source contact disposed at the first end of the channel region, a drain contact disposed at the second end of the channel region, and a gate contact coupled to the channel region.
    Type: Application
    Filed: August 23, 2017
    Publication date: March 1, 2018
    Applicant: Quora Technology, Inc.
    Inventors: Vladimir Odnoblyudov, Dilip Risbud, Ozgur Aktas, Cem Basceri