Patents by Inventor Richard J. Rzeszut

Richard J. Rzeszut 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: 10774419
    Abstract: An ion implantation system is provided having an ion source configured to form an ion beam from aluminum iodide. A beamline assembly selectively transports the ion beam to an end station configured to accept the ion beam for implantation of aluminum ions into a workpiece. The ion source has a solid-state material source having aluminum iodide in a solid form. A solid source vaporizer vaporizes the aluminum iodide, defining gaseous aluminum iodide. An arc chamber forms a plasma from the gaseous aluminum iodide, where arc current from a power supply is configured to dissociate aluminum ions from the aluminum iodide. One or more extraction electrodes extract the ion beam from the arc chamber. A water vapor source further introduces water to react residual aluminum iodide to form hydroiodic acid, where the residual aluminum iodide and hydroiodic acid is evacuated from the system.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: September 15, 2020
    Assignee: Axcelis Technologies, Inc
    Inventors: Dennis Elliott Kamenitsa, Richard J. Rzeszut, Fernando M. Silva, Jason R. Beringer, Xiangyang Wu
  • Patent number: 10087520
    Abstract: An ion implantation system is provided having an ion source configured to form an ion beam from aluminum iodide. A beamline assembly selectively transports the ion beam to an end station configured to accept the ion beam for implantation of aluminum ions into a workpiece. The ion source has a solid-state material source having aluminum iodide in a solid form. A solid source vaporizer vaporizes the aluminum iodide, defining gaseous aluminum iodide. An arc chamber forms a plasma from the gaseous aluminum iodide, where arc current from a power supply is configured to dissociate aluminum ions from the aluminum iodide. One or more extraction electrodes extract the ion beam from the arc chamber. A water vapor source further introduces water to react residual aluminum iodide to form hydroiodic acid, where the residual aluminum iodide and hydroiodic acid is evacuated from the system.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: October 2, 2018
    Assignee: Axcelis Technologies, Inc.
    Inventors: Dennis Elliott Kamenitsa, Richard J. Rzeszut, Fernando M. Silva, Neil K. Colvin
  • Publication number: 20170362699
    Abstract: An ion implantation system is provided having an ion source configured to form an ion beam from aluminum iodide. A beamline assembly selectively transports the ion beam to an end station configured to accept the ion beam for implantation of aluminum ions into a workpiece. The ion source has a solid-state material source having aluminum iodide in a solid form. A solid source vaporizer vaporizes the aluminum iodide, defining gaseous aluminum iodide. An arc chamber forms a plasma from the gaseous aluminum iodide, where arc current from a power supply is configured to dissociate aluminum ions from the aluminum iodide. One or more extraction electrodes extract the ion beam from the arc chamber. A water vapor source further introduces water to react residual aluminum iodide to form hydroiodic acid, where the residual aluminum iodide and hydroiodic acid is evacuated from the system.
    Type: Application
    Filed: June 20, 2017
    Publication date: December 21, 2017
    Inventors: Dennis Elliott Kamenitsa, Richard J. Rzeszut, Fernando M. Silva, Neil K. Colvin
  • Publication number: 20170362700
    Abstract: An ion implantation system is provided having an ion source configured to form an ion beam from aluminum iodide. A beamline assembly selectively transports the ion beam to an end station configured to accept the ion beam for implantation of aluminum ions into a workpiece. The ion source has a solid-state material source having aluminum iodide in a solid form. A solid source vaporizer vaporizes the aluminum iodide, defining gaseous aluminum iodide. An arc chamber forms a plasma from the gaseous aluminum iodide, where arc current from a power supply is configured to dissociate aluminum ions from the aluminum iodide. One or more extraction electrodes extract the ion beam from the arc chamber. A water vapor source further introduces water to react residual aluminum iodide to form hydroiodic acid, where the residual aluminum iodide and hydroiodic acid is evacuated from the system.
    Type: Application
    Filed: June 20, 2017
    Publication date: December 21, 2017
    Inventors: Dennis Elliott Kamenitsa, Richard J. Rzeszut, Fernando M. Silva, Jason R. Beringer, Xiangyang Wu
  • Patent number: 8270142
    Abstract: One embodiment of the present invention relates to a method for declamping a semiconductor wafer that is electrically adhered to a surface of an electrostatic chuck by a clamping voltage. In this method, the clamping voltage is deactivated. For a time following the deactivation, a first region of the wafer is lifted an first distance from the surface of the electrostatic chuck while a second region of the wafer remains adhered to the surface of the electrostatic chuck. A predetermined condition is monitored during the time. The second region is lifted from the surface of the electrostatic chuck when the predetermined condition is met.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: September 18, 2012
    Assignee: Axcelis Technologies, Inc.
    Inventors: William D. Lee, Ashwin M. Purohit, Marvin R. LaFontaine, Richard J. Rzeszut
  • Patent number: 8023247
    Abstract: The present invention is directed to an electrostatic chuck (ESC) with a compliant layer formed from TT-Kote® and a method of forming a clamping plate for an ESC. The ESC comprises a compliant layer having a low friction surface for reducing or eliminating particulates generated from thermal expansion. The method comprises forming a clamping member for a substrate comprising a ceramic material and a ceramic surface, and coating the ceramic surface with a compliant layer comprising an organic silicide or TT-Kote®.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: September 20, 2011
    Assignee: Axcelis Technologies, Inc.
    Inventors: Ashwin M. Purohit, Marvin R. LaFontaine, William D. Lee, Richard J. Rzeszut
  • Publication number: 20100142114
    Abstract: The present invention is directed to an electrostatic chuck (ESC) with a compliant layer formed from TT-Kote® and a method of forming a clamping plate for an ESC. The ESC comprises a compliant layer having a low friction surface for reducing or eliminating particulates generated from thermal expansion. The method comprises forming a clamping member for a substrate comprising a ceramic material and a ceramic surface, and coating the ceramic surface with a compliant layer comprising an organic silicide or TT-Kote®.
    Type: Application
    Filed: December 10, 2008
    Publication date: June 10, 2010
    Applicant: Axcelis Technologies, Inc.
    Inventors: Ashwin M. Purohit, Marvin R. LaFontaine, William D. Lee, Richard J. Rzeszut
  • Publication number: 20100142113
    Abstract: One embodiment of the present invention relates to a method for declamping a semiconductor wafer that is electrically adhered to a surface of an electrostatic chuck by a clamping voltage. In this method, the clamping voltage is deactivated. For a time following the deactivation, a first region of the wafer is lifted an first distance from the surface of the electrostatic chuck while a second region of the wafer remains adhered to the surface of the electrostatic chuck. A predetermined condition is monitored during the time. The second region is lifted from the surface of the electrostatic chuck when the predetermined condition is met.
    Type: Application
    Filed: December 10, 2008
    Publication date: June 10, 2010
    Applicant: Axcelis Technologies, Inc.
    Inventors: William D. Lee, Ashwin M. Purohit, Marvin R. LaFontaine, Richard J. Rzeszut
  • Patent number: 6515290
    Abstract: A gas delivery system for an ion implantation system comprises a gas source at a first voltage potential and an ion source at a second voltage potential which is larger than the first voltage potential. The system further comprises an electrically insulative connector coupled between the gas source and the ion source. The present invention also comprises a method of delivering gas to an ion implantation system which comprises maintaining a voltage potential of a source gas at a storage location at a first voltage potential that is less than a second voltage potential at an ion source of the ion implantation system and delivering the source gas from the storage location to the ion source.
    Type: Grant
    Filed: September 5, 2000
    Date of Patent: February 4, 2003
    Assignee: Axcelis Technologies, Inc.
    Inventors: Richard J. Rzeszut, James P. Quill