Patents by Inventor Ivan A. Shchelkanov

Ivan A. Shchelkanov 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: 20210327694
    Abstract: A system and associated method are described for depositing high-quality films for providing a coating on a three-dimensional surface such as an internal surface of a bellows structure. The system includes a magnetic array comprising multiple sets of magnets arranged to have Hall-Effect regions that run lengthwise along a sputter target. The system further includes an elongated sputtering electrode material tube surrounding the magnetic array comprising multiple sets of magnets arranged to have Hall-Effect regions that run lengthwise along the sputter target. During operation, the system generates and controls ion flux for direct current high-power impulse magnetron sputtering. During operation logic circuitry issues a control signal to control a kick pulse property of a sustained positive voltage kick pulse taken from the group consisting of: onset delay, amplitude and duration.
    Type: Application
    Filed: May 17, 2021
    Publication date: October 21, 2021
    Inventors: Thomas J. Houlahan, JR., Daniel P. Menet, Ian F. Haehnlein, Ivan A. Shchelkanov, Robert A. Stubbers, Brian E. Jurczyk
  • Patent number: 11008650
    Abstract: A system and associated method are described for depositing high-quality films for providing a nanolayered coating on a three-dimensional surface. The system includes a magnetic array comprising multiple sets of magnets arranged to have Hall-Effect regions that run lengthwise along a sputter target. The system further includes an elongated sputtering electrode material tube surrounding the magnetic array comprising multiple sets of magnets arranged to have Hall-Effect regions that run lengthwise along the sputter target. During operation, the system generates and controls ion flux for direct current high-power impulse magnetron sputtering. During operation logic circuitry issues a control signal to control a kick pulse property of a sustained positive voltage kick pulse taken from the group consisting of: onset delay, amplitude and duration.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: May 18, 2021
    Assignee: Starfire Industries LLC
    Inventors: Thomas J. Houlahan, Jr., Daniel P. Menet, Ian F. Haehnlein, Ivan A. Shchelkanov, Robert A. Stubbers, Brian E. Jurczyk
  • Publication number: 20200377995
    Abstract: A system and associated method are described for depositing high-quality films for providing a nanolayered coating on a three-dimensional surface. The system includes a magnetic array comprising multiple sets of magnets arranged to have Hall-Effect regions that run lengthwise along a sputter target. The system further includes an elongated sputtering electrode material tube surrounding the magnetic array comprising multiple sets of magnets arranged to have Hall-Effect regions that run lengthwise along the sputter target. During operation, the system generates and controls ion flux for direct current high-power impulse magnetron sputtering. During operation logic circuitry issues a control signal to control a kick pulse property of a sustained positive voltage kick pulse taken from the group consisting of: onset delay, amplitude and duration.
    Type: Application
    Filed: April 14, 2020
    Publication date: December 3, 2020
    Inventors: Thomas J. Houlahan, JR., Daniel P. Menet, Ian F. Haehnlein, Ivan A. Shchelkanov, Robert A. Stubbers, Brian E. Jurczyk
  • Publication number: 20200273684
    Abstract: A system is described that includes a sputter target and a magnetic element array including multiple sets of magnets arranged to have a Hall-Effect region that extends along a length of the sputter target. The elongated sputtering electrode material tube is interposed between the magnetic array and an object to be deposited with a sputtered material from the sputter target. During a direct current high-power impulse magnetron sputtering operation, the system performs a depositing on a surface of the object by generating and controlling an ion and neutral particle flux by: providing a vacuum apparatus containing a sputter target holder electrode; first generating a high-power pulsed plasma magnetron discharge with a high-current negative direct current (DC) pulse to the sputter a target holder electrode; and second generating a configurable positive voltage kick pulse to the sputter target holder electrode after terminating the negative DC pulse.
    Type: Application
    Filed: February 25, 2020
    Publication date: August 27, 2020
    Applicant: Starfire Industries LLC
    Inventors: Brian E. Jurczyk, Robert A. Stubbers, Ivan Shchelkanov, Thomas James Houlahan, JR., Ian F. Haehnlein
  • Patent number: 10752994
    Abstract: An apparatus for depositing a coating on a substrate at atmospheric pressure comprises (a) a plasma torch comprising a microwave source coupled to an antenna disposed within a chamber having an open end, the chamber comprising a gas inlet for flow of a gas over the antenna to generate a plasma jet; (b) a substrate positioned outside the open end of the chamber a predetermined distance away from a tip of the antenna; and (c) a target material to be coated on the substrate disposed at the tip of the antenna.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: August 25, 2020
    Assignee: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
    Inventors: David N. Ruzic, Yuilun Wu, Ivan Shchelkanov, Jungmi Hong, Zihao Ouyang, Tae Seung Cho
  • Patent number: 10332731
    Abstract: A magnet assembly for use in high power pulsed magnetron sputtering comprises a configuration of magnets having a magnetic field topology comprising magnetic field components Bx, By and Bz. A tangential magnetic field B// distribution on an x-y plane above the configuration of magnets comprising an outer continuous ring and one or more inner continuous rings contained in the outer continuous ring. A total magnetic field Btot distribution on an x-z plane intersecting the configuration of magnets comprises an outer closed loop and one or more inner closed loops contained in the outer closed loop, where, as a function of x, a tangential magnetic field B// alternates between (a) high field values greater than 200 G and high gradients in the z-direction of at least 1000 G/in, and (b) low field values of less than 50 G and low gradients in the z-direction of at most 250 G/in.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: June 25, 2019
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: David N. Ruzic, Ivan A. Shchelkanov, Priya Raman
  • Publication number: 20190093229
    Abstract: An apparatus for depositing a coating on a substrate at atmospheric pressure comprises (a) a plasma torch comprising a microwave source coupled to an antenna disposed within a chamber having an open end, the chamber comprising a gas inlet for flow of a gas over the antenna to generate a plasma jet; (b) a substrate positioned outside the open end of the chamber a predetermined distance away from a tip of the antenna; and (c) a target material to be coated on the substrate disposed at the tip of the antenna.
    Type: Application
    Filed: November 21, 2018
    Publication date: March 28, 2019
    Applicant: The Board of Trustees of the University of Illinois
    Inventors: David N. Ruzic, Yuilun Wu, Ivan Shchelkanov, Jungmi Hong, Zihao Ouyang, Tae Seung Cho
  • Patent number: 10167556
    Abstract: An apparatus for depositing a coating on a substrate at atmospheric pressure comprises (a) a plasma torch comprising a microwave source coupled to an antenna disposed within a chamber having an open end, the chamber comprising a gas inlet for flow of a gas over the antenna to generate a plasma jet; (b) a substrate positioned outside the open end of the chamber a predetermined distance away from a tip of the antenna; and (c) a target material to be coated on the substrate disposed at the tip of the antenna.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: January 1, 2019
    Assignee: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
    Inventors: David N. Ruzic, Yuilun Wu, Ivan Shchelkanov, Jungmi Hong, Zihao Ouyang, Tae Seung Cho
  • Publication number: 20160104607
    Abstract: A magnet assembly for use in high power pulsed magnetron sputtering comprises a configuration of magnets having a magnetic field topology comprising magnetic field components Bx, By and Bz. A tangential magnetic field B// distribution on an x-y plane above the configuration of magnets comprising an outer continuous ring and one or more inner continuous rings contained in the outer continuous ring. A total magnetic field Btot distribution on an x-z plane intersecting the configuration of magnets comprises an outer closed loop and one or more inner closed loops contained in the outer closed loop, where, as a function of x, a tangential magnetic field B// alternates between (a) high field values greater than 200 G and high gradients in the z-direction of at least 1000 G/in, and (b) low field values of less than 50 G and low gradients in the z-direction of at most 250 G/in.
    Type: Application
    Filed: October 8, 2015
    Publication date: April 14, 2016
    Inventors: David N. Ruzic, Ivan A. Shchelkanov, Priya Raman
  • Publication number: 20150259802
    Abstract: An apparatus for depositing a coating on a substrate at atmospheric pressure comprises (a) a plasma torch comprising a microwave source coupled to an antenna disposed within a chamber having an open end, the chamber comprising a gas inlet for flow of a gas over the antenna to generate a plasma jet; (b) a substrate positioned outside the open end of the chamber a predetermined distance away from a tip of the antenna; and (c) a target material to be coated on the substrate disposed at the tip of the antenna.
    Type: Application
    Filed: March 13, 2015
    Publication date: September 17, 2015
    Inventors: David N. Ruzic, Yuilun Wu, Ivan Shchelkanov, Jungmi Hong, Zihao Ouyang, Tae Seung Cho