Patents by Inventor John Carscadden

John Carscadden 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: 20240136152
    Abstract: A nanosecond pulser system is disclosed. In some embodiments, the nanosecond pulser system may include a nanosecond pulser having a nanosecond pulser input; a plurality of switches coupled with the nanosecond pulser input; one or more transformers coupled with the plurality of switches; and an output coupled with the one or more transformers and providing a high voltage waveform with a amplitude greater than 2 kV and a frequency greater than 1 kHz based on the nanosecond pulser input. The nanosecond pulser system may also include a control module coupled with the nanosecond pulser input; and an control system coupled with the nanosecond pulser at a point between the transformer and the output, the control system providing waveform data regarding an high voltage waveform produced at the point between the transformer and the output.
    Type: Application
    Filed: October 23, 2023
    Publication date: April 25, 2024
    Inventors: Kenneth Miller, John Carscadden, Ilia Slobodov, Timothy Ziemba, Huatsern Yeager, Eric Hanson, TaiSheng Yeager, Kevin Muggli, Morgan Quinley, James Prager, Connor Liston
  • Publication number: 20240048056
    Abstract: Some embodiments include methods and systems for wafer biasing in a plasma chamber. A method, for example, may include: generating a first high voltage by a first pulsed voltage source using DC voltages and coupling the first high voltage to a wafer in the plasma chamber via at least one direct connection, the at least one direct connection enabling ion energy control in the plasma chamber; generating one or more of low and medium voltages by a second pulsed voltage source; coupling, capacitively, the one or more of low and medium voltages to the wafer; and pulsing the first high voltage and the one or more of low and medium voltages to achieve a configurable ion energy distribution in the wafer.
    Type: Application
    Filed: August 16, 2023
    Publication date: February 8, 2024
    Inventors: Kenneth Miller, Timothy Ziemba, John Carscadden, Ilia Slobodov, James Prager
  • Patent number: 11824454
    Abstract: Some embodiments include methods and systems for wafer biasing in a plasma chamber. A method, for example, may include: generating a first high voltage by a first pulsed voltage source using DC voltages and coupling the first high voltage to a wafer in the plasma chamber via at least one direct connection, the at least one direct connection enabling ion energy control in the plasma chamber; generating one or more of low and medium voltages by a second pulsed voltage source; coupling, capacitively, the one or more of low and medium voltages to the wafer; and pulsing the first high voltage and the one or more of low and medium voltages to achieve a configurable ion energy distribution in the wafer.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: November 21, 2023
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Kenneth Miller, Timothy Ziemba, John Carscadden, Ilia Slobodov, James Prager
  • Patent number: 11810761
    Abstract: A nanosecond pulser system is disclosed. In some embodiments, the nanosecond pulser system may include a nanosecond pulser having a nanosecond pulser input; a plurality of switches coupled with the nanosecond pulser input; one or more transformers coupled with the plurality of switches; and an output coupled with the one or more transformers and providing a high voltage waveform with a amplitude greater than 2 kV and a frequency greater than 1 kHz based on the nanosecond pulser input. The nanosecond pulser system may also include a control module coupled with the nanosecond pulser input; and an control system coupled with the nanosecond pulser at a point between the transformer and the output, the control system providing waveform data regarding an high voltage waveform produced at the point between the transformer and the output.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: November 7, 2023
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Ilia Slobodov, John Carscadden, Kenneth Miller, Timothy Ziemba, Huatsern Yeager, Eric Hanson, TaiSheng Yeager, Kevin Muggli, Morgan Quinley, James Prager, Connor Liston
  • Publication number: 20230336085
    Abstract: A high voltage power system is disclosed. In some embodiments, the high voltage power system includes a high voltage pulsing power supply; a transformer electrically coupled with the high voltage pulsing power supply; an output electrically coupled with the transformer and configured to output high voltage pulses with an amplitude greater than 1 kV and a frequency greater than 1 kHz; and a bias compensation circuit arranged in parallel with the output. In some embodiments, the bias compensation circuit can include a blocking diode; and a DC power supply arranged in series with the blocking diode.
    Type: Application
    Filed: June 24, 2023
    Publication date: October 19, 2023
    Inventors: Timothy Ziemba, Ilia Slobodov, Alex Henson, Morgan Quinley, John Carscadden, James Prager, Kenneth Miller
  • Patent number: 11689107
    Abstract: A high voltage power system is disclosed. In some embodiments, the high voltage power system includes a high voltage pulsing power supply; a transformer electrically coupled with the high voltage pulsing power supply; an output electrically coupled with the transformer and configured to output high voltage pulses with an amplitude greater than 1 kV and a frequency greater than 1 kHz; and a bias compensation circuit arranged in parallel with the output. In some embodiments, the bias compensation circuit can include a blocking diode; and a DC power supply arranged in series with the blocking diode.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: June 27, 2023
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Timothy Ziemba, Ilia Slobodov, Alex Henson, Morgan Quinley, John Carscadden, James Prager, Kenneth Miller
  • Patent number: 11636998
    Abstract: Some embodiments include a high voltage pulsing power supply. A high voltage pulsing power supply may include: a high voltage pulser having an output that provides pulses with an amplitude greater than about 1 kV, a pulse width greater than about 1 ?s, and a pulse repetition frequency greater than about 20 kHz; a plasma chamber; and an electrode disposed within the plasma chamber that is electrically coupled with the output of the high voltage pulser to produce a pulsing an electric field within the chamber.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: April 25, 2023
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Timothy Ziemba, Ilia Slobodov, John Carscadden, Kenneth Miller, Morgan Quinley
  • Patent number: 11587768
    Abstract: Some embodiments include a thermal management system for a nanosecond pulser. In some embodiments, the thermal management system may include a switch cold plates coupled with switches, a core cold plate coupled with one or more transformers, resistor cold plates coupled with resistors, or tubing coupled with the switch cold plates, the core cold plates, and the resistor cold plates. The thermal management system may include a heat exchanger coupled with the resistor cold plates, the core cold plate, the switch cold plate, and the tubing. The heat exchanger may also be coupled with a facility fluid supply.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: February 21, 2023
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Timothy Ziemba, Ilia Slobodov, John Carscadden, Kenneth Miller, Connor Liston
  • Patent number: 11551908
    Abstract: A plasma deposition system comprising a wafer platform, a second electrode, a first electrode, a first high voltage pulser, and a second high voltage pulser. In some embodiments, the second electrode may be disposed proximate with the wafer platform. In some embodiments, the second electrode can include a disc shape with a central aperture; a central axis, an aperture diameter, and an outer diameter. In some embodiments, the first electrode may be disposed proximate with the wafer platform and within the central aperture of the second electrode. In some embodiments, the first electrode can include a disc shape, a central axis, and an outer diameter. In some embodiments, the first high voltage pulser can be electrically coupled with the first electrode. In some embodiments, the second high voltage pulser can be electrically coupled with the second electrode.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: January 10, 2023
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Timothy Ziemba, Ilia Slobodov, John Carscadden, Kenneth Miller, James Prager
  • Patent number: 11404246
    Abstract: Some embodiments include a high voltage pulsing circuit comprising: a high voltage pulsing power supply; a transformer electrically coupled with the high voltage pulsing power supply; an output electrically coupled with the transformer and configured to output high voltage pulses with an amplitude greater than 1 kV and a pulse repetition frequency greater than 1 kHz; a bias compensation circuit arranged in parallel with the output the bias compensation circuit comprising; first inductance comprising the inductive elements and any stray inductance between the bias compensation circuit and the high voltage pulsing power supply; and second inductance comprising the inductive elements and any stray inductance between the bias compensation circuit and the output.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: August 2, 2022
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Timothy Ziemba, Morgan Quinley, Ilia Slobodov, Alex Henson, John Carscadden, James Prager, Kenneth Miller
  • Publication number: 20220020566
    Abstract: A nanosecond pulser system is disclosed. In some embodiments, the nanosecond pulser system may include a nanosecond pulser having a nanosecond pulser input; a plurality of switches coupled with the nanosecond pulser input; one or more transformers coupled with the plurality of switches; and an output coupled with the one or more transformers and providing a high voltage waveform with a amplitude greater than 2 kV and a frequency greater than 1 kHz based on the nanosecond pulser input. The nanosecond pulser system may also include a control module coupled with the nanosecond pulser input; and an control system coupled with the nanosecond pulser at a point between the transformer and the output, the control system providing waveform data regarding an high voltage waveform produced at the point between the transformer and the output.
    Type: Application
    Filed: August 24, 2021
    Publication date: January 20, 2022
    Inventors: Ilia Slobodov, John Carscadden, Kenneth Miller, Timothy Ziemba, Huatsern Yeager, Eric Hanson, TaiSheng Yeager, Kevin Muggli, Morgan Quinley, James Prager, Connor Liston
  • Patent number: 11222767
    Abstract: A high voltage power system is disclosed. In some embodiments, the high voltage power system includes a high voltage pulsing power supply; a transformer electrically coupled with the high voltage pulsing power supply; an output electrically coupled with the transformer and configured to output high voltage pulses with an amplitude greater than 1 kV and a frequency greater than 1 kHz; and a bias compensation circuit arranged in parallel with the output. In some embodiments, the bias compensation circuit can include a blocking diode; and a DC power supply arranged in series with the blocking diode.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: January 11, 2022
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Timothy Ziemba, Ilia Slobodov, John Carscadden, Kenneth Miller, Morgan Quinley
  • Publication number: 20210408917
    Abstract: Some embodiments include methods and systems for wafer biasing in a plasma chamber. A method, for example, may include: generating a first high voltage by a first pulsed voltage source using DC voltages and coupling the first high voltage to a wafer in the plasma chamber via at least one direct connection, the at least one direct connection enabling ion energy control in the plasma chamber; generating one or more of low and medium voltages by a second pulsed voltage source; coupling, capacitively, the one or more of low and medium voltages to the wafer; and pulsing the first high voltage and the one or more of low and medium voltages to achieve a configurable ion energy distribution in the wafer.
    Type: Application
    Filed: July 1, 2021
    Publication date: December 30, 2021
    Inventors: Kenneth Miller, Timothy Ziemba, John Carscadden, Ilia Slobodov, James Prager
  • Publication number: 20210351009
    Abstract: Some embodiments include a thermal management system for a nanosecond pulser. In some embodiments, the thermal management system may include a switch cold plates coupled with switches, a core cold plate coupled with one or more transformers, resistor cold plates coupled with resistors, or tubing coupled with the switch cold plates, the core cold plates, and the resistor cold plates. The thermal management system may include a heat exchanger coupled with the resistor cold plates, the core cold plate, the switch cold plate, and the tubing. The heat exchanger may also be coupled with a facility fluid supply.
    Type: Application
    Filed: April 15, 2021
    Publication date: November 11, 2021
    Inventors: Timothy Ziemba, Ilia Slobodov, John Carscadden, Kenneth Miller, Connor Liston
  • Publication number: 20210327682
    Abstract: A plasma deposition system comprising a wafer platform, a second electrode, a first electrode, a first high voltage pulser, and a second high voltage pulser. In some embodiments, the second electrode may be disposed proximate with the wafer platform. In some embodiments, the second electrode can include a disc shape with a central aperture; a central axis, an aperture diameter, and an outer diameter. In some embodiments, the first electrode may be disposed proximate with the wafer platform and within the central aperture of the second electrode. In some embodiments, the first electrode can include a disc shape, a central axis, and an outer diameter. In some embodiments, the first high voltage pulser can be electrically coupled with the first electrode. In some embodiments, the second high voltage pulser can be electrically coupled with the second electrode.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 21, 2021
    Inventors: Timothy Ziemba, Ilia Slobodov, John Carscadden, Kenneth Miller, James Prager
  • Publication number: 20210288582
    Abstract: A high voltage power system is disclosed. In some embodiments, the high voltage power system includes a high voltage pulsing power supply; a transformer electrically coupled with the high voltage pulsing power supply; an output electrically coupled with the transformer and configured to output high voltage pulses with an amplitude greater than 1 kV and a frequency greater than 1 kHz; and a bias compensation circuit arranged in parallel with the output. In some embodiments, the bias compensation circuit can include a blocking diode; and a DC power supply arranged in series with the blocking diode.
    Type: Application
    Filed: March 26, 2021
    Publication date: September 16, 2021
    Inventors: Timothy Ziemba, Ilia Slobodov, Alex Henson, Morgan Quinley, John Carscadden, James Prager, Kenneth Miller
  • Patent number: 11101108
    Abstract: A nanosecond pulser system is disclosed. In some embodiments, the nanosecond pulser system may include a nanosecond pulser having a nanosecond pulser input; a plurality of switches coupled with the nanosecond pulser input; one or more transformers coupled with the plurality of switches; and an output coupled with the one or more transformers and providing a high voltage waveform with a amplitude greater than 2 kV and a frequency greater than 1 kHz based on the nanosecond pulser input. The nanosecond pulser system may also include a control module coupled with the nanosecond pulser input; and an control system coupled with the nanosecond pulser at a point between the transformer and the output, the control system providing waveform data regarding an high voltage waveform produced at the point between the transformer and the output.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: August 24, 2021
    Assignee: EAGLE HARBOR TECHNOLOGIES INC.
    Inventors: Ilia Slobodov, John Carscadden, Kenneth Miller, Timothy Ziemba, Huatsern Yeager, Eric Hanson, TaiSheng Yeager, Kevin Muggli
  • Patent number: 11075058
    Abstract: A plasma deposition system comprising a wafer platform, a second electrode, a first electrode, a first high voltage pulser, and a second high voltage pulser. In some embodiments, the second electrode may be disposed proximate with the wafer platform. In some embodiments, the second electrode can include a disc shape with a central aperture; a central axis, an aperture diameter, and an outer diameter. In some embodiments, the first electrode may be disposed proximate with the wafer platform and within the central aperture of the second electrode. In some embodiments, the first electrode can include a disc shape, a central axis, and an outer diameter. In some embodiments, the first high voltage pulser can be electrically coupled with the first electrode. In some embodiments, the second high voltage pulser can be electrically coupled with the second electrode.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: July 27, 2021
    Assignee: Eagle Harbor Technologies, Inc.
    Inventors: Timothy Ziemba, Ilia Slobodov, John Carscadden, Kenneth Miller, James Prager
  • Publication number: 20210151295
    Abstract: Some embodiments include a high voltage pulsing circuit comprising: a high voltage pulsing power supply; a transformer electrically coupled with the high voltage pulsing power supply; an output electrically coupled with the transformer and configured to output high voltage pulses with an amplitude greater than 1 kV and a pulse repetition frequency greater than 1 kHz; a bias compensation circuit arranged in parallel with the output the bias compensation circuit comprising; first inductance comprising the inductive elements and any stray inductance between the bias compensation circuit and the high voltage pulsing power supply; and second inductance comprising the inductive elements and any stray inductance between the bias compensation circuit and the output.
    Type: Application
    Filed: November 16, 2020
    Publication date: May 20, 2021
    Inventors: Timothy Ziemba, Morgan Quinley, Ilia Slobodov, Alex Henson, John Carscadden, James Prager, Kenneth Miller
  • Publication number: 20210125812
    Abstract: Some embodiments include a high voltage pulsing power supply. A high voltage pulsing power supply may include: a high voltage pulser having an output that provides pulses with an amplitude greater than about 1 kV, a pulse width greater than about 1 ?s, and a pulse repetition frequency greater than about 20 kHz; a plasma chamber; and an electrode disposed within the plasma chamber that is electrically coupled with the output of the high voltage pulser to produce a pulsing an electric field within the chamber.
    Type: Application
    Filed: January 5, 2021
    Publication date: April 29, 2021
    Inventors: Timothy Ziemba, Ilia Slobodov, John Carscadden, Kenneth Miller, Morgan Quinley