Patents by Inventor Russell Westerman

Russell Westerman 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: 20140154869
    Abstract: The present invention provides a method for plasma processing a substrate. The method comprising providing a process chamber having a wall; providing a plasma source adjacent to the wall of the process chamber; providing a work piece support within the process chamber; loading a work piece onto the work piece support, the work piece having a support film, a frame and the substrate; providing a cover ring above the work piece, the cover ring having at least one perforated region, and at least one non-perforated region; generating a plasma using the plasma source; and processing the work piece using the generated plasma.
    Type: Application
    Filed: February 10, 2014
    Publication date: June 5, 2014
    Applicant: PLASMA-THERM LLC
    Inventors: Dwarakanath Geerpuram, David Pays-Volard, Linnell Martinez, Chris Johnson, David Johnson, Russell Westerman
  • Patent number: 8691702
    Abstract: The present invention provides a method for plasma processing a substrate. The method comprising providing a process chamber having a wall; providing a plasma source adjacent to the wall of the process chamber; providing a work piece support within the process chamber; loading a work piece onto the work piece support, the work piece having a support film, a frame and the substrate; providing a cover ring above the work piece, the cover ring having at least one perforated region, and at least one non-perforated region; generating a plasma using the plasma source; and processing the work piece using the generated plasma.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: April 8, 2014
    Assignee: Plasma-Therm LLC
    Inventors: Dwarakanath Geerpuram, David Pays-Volard, Linnell Martinez, Chris Johnson, David Johnson, Russell Westerman
  • Publication number: 20140094018
    Abstract: The present invention provides a method for dicing a substrate with back metal, the method comprising the following steps. The substrate is provided with a first surface and a second surface wherein the second surface is opposed to the first surface. A mask layer is provided on the first surface of the substrate and a thin film layer is provided on the second surface of the substrate. The first surface of the substrate is diced through the mask layer to expose the thin film layer on the second surface of the substrate. A fluid from a fluid jet is applied to the thin film layer on the second surface of the substrate after the thin film layer has been exposed by the dicing step.
    Type: Application
    Filed: September 23, 2013
    Publication date: April 3, 2014
    Applicant: PLASMA-THERM, LLC
    Inventors: Peter Falvo, Linnell Martinez, David Pays-Volard, Rich Gauldin, Russell Westerman
  • Publication number: 20130344683
    Abstract: The present invention provides a method for plasma processing a substrate, the method comprising providing a process chamber having a wall; providing a plasma source adjacent to the wall of the process chamber; providing a work piece support within the process chamber; loading a work piece onto the work piece support, the work piece having a support film, a frame and the substrate; providing at least two cutting regions on the substrate, the cutting regions being positioned between all adjacent device structures on the substrate; generating a plasma using the plasma source; and processing the work piece using the generated plasma.
    Type: Application
    Filed: August 29, 2013
    Publication date: December 26, 2013
    Applicant: Plasma-Therm LLC
    Inventors: Thierry Lazerand, David Pays-Volard, Linnell Martinez, Chris Johnson, Russell Westerman
  • Publication number: 20130230972
    Abstract: The present invention provides a method for plasma dicing a substrate. The method comprising providing a process chamber having a wall; providing a plasma source adjacent to the wall of the process chamber; providing a work piece support within the process chamber; placing the substrate onto a support film on a frame to form a work piece work piece; loading the work piece onto the work piece support; providing a cover ring disposed above the work piece; generating a plasma through the plasma source; and etching the work piece through the generated plasma.
    Type: Application
    Filed: February 11, 2013
    Publication date: September 5, 2013
    Applicant: Plasma-Therm LLC
    Inventors: Chris Johnson, David Johnson, David Pays-Volard, Linnell Martinez, Russell Westerman
  • Publication number: 20130230973
    Abstract: The present invention provides a method for plasma dicing a substrate, the method comprising providing a process chamber having a wall; providing a plasma source adjacent to the wall of the process chamber; providing a work piece support within the process chamber; placing a work piece onto the work piece support, said work piece having a support film, a frame and the substrate; loading the work piece onto the work piece support; applying a tensional force to the support film; clamping the work piece to the work piece support; generating a plasma using the plasma source; and etching the work piece using the generated plasma.
    Type: Application
    Filed: February 14, 2013
    Publication date: September 5, 2013
    Applicant: Plasma-Therm LLC
    Inventors: Rich Gauldin, Chris Johnson, David Johnson, Linnell Martinez, David Pays-Volard, Russell Westerman
  • Publication number: 20130230971
    Abstract: The present invention provides a method for plasma processing a substrate. The method comprising providing a process chamber having a wall; providing a plasma source adjacent to the wall of the process chamber; providing a work piece support within the process chamber; loading a work piece onto the work piece support, the work piece having a support film, a frame and the substrate; providing a cover ring above the work piece, the cover ring having at least one perforated region, and at least one non-perforated region; generating a plasma using the plasma source; and processing the work piece using the generated plasma.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 5, 2013
    Applicant: Plasma-Therm LLC
    Inventors: Dwarakanath Geerpuram, David Pays-Volard, Linnell Martinez, Chris Johnson, David Johnson, Russell Westerman
  • Publication number: 20130230970
    Abstract: The present invention provides a method for plasma dicing a substrate. The method comprising providing a process chamber having a wall; providing a plasma source adjacent to the wall of the process chamber; providing a work piece support within the process chamber; placing the substrate onto a support film on a frame to form a work piece work piece; loading the work piece onto the work piece support; providing a cover ring disposed above the work piece; generating a plasma through the plasma source; and etching the work piece through the generated plasma.
    Type: Application
    Filed: February 11, 2013
    Publication date: September 5, 2013
    Applicant: Plasma-Therm LLC
    Inventors: Linnell Martinez, David Pays-Volard, Chris Johnson, David Johnson, Russell Westerman
  • Publication number: 20130230969
    Abstract: The present invention provides a method for plasma dicing a substrate. The method comprising providing a process chamber having a wall; providing a plasma source adjacent to the wall of the process chamber; providing a work piece support within the process chamber; placing the substrate onto a support film on a frame to form a work piece work piece; loading the work piece onto the work piece support; providing a cover ring disposed above the work piece; generating a plasma through the plasma source; and etching the work piece through the generated plasma.
    Type: Application
    Filed: February 11, 2013
    Publication date: September 5, 2013
    Applicant: Plasma-Therm LLC
    Inventors: Linnell Martinez, David Pays-Volard, Chris Johnson, David Johnson, Russell Westerman
  • Publication number: 20130230968
    Abstract: The present invention provides a method for plasma dicing a substrate. The method comprising providing a process chamber having a wall; providing a plasma source adjacent to the wall of the process chamber; providing a work piece support within the process chamber; placing the substrate onto a support film on a frame to form a work piece work piece; loading the work piece onto the work piece support; providing a cover ring disposed above the work piece; generating a plasma through the plasma source; and etching the work piece through the generated plasma.
    Type: Application
    Filed: February 11, 2013
    Publication date: September 5, 2013
    Applicant: Plasma-Therm LLC
    Inventors: Chris Johnson, David Johnson, Linnell Martinez, David Pays-Volard, Rich Gauldin, Russell Westerman
  • Publication number: 20130230974
    Abstract: The present invention provides a method for plasma dicing a substrate. The method comprising providing a process chamber having a wall; providing a plasma source adjacent to the wall of the process chamber; providing a work piece support within the process chamber; placing the substrate onto a support film on a frame to form a work piece work piece; loading the work piece onto the work piece support; providing a clamping electrode for electrostatically clamping the work piece to the work piece support; providing a mechanical partition between the plasma source and the work piece; generating a plasma through the plasma source; and etching the work piece through the generated plasma.
    Type: Application
    Filed: March 6, 2013
    Publication date: September 5, 2013
    Applicant: Plasma-Therm LLC
    Inventors: Linnell Martinez, David Pays-Volard, Chris Johnson, David Johnson, Russell Westerman
  • Publication number: 20130065378
    Abstract: The present invention provides a method for plasma dicing a substrate. The method comprising providing a process chamber having a wall; providing a plasma source adjacent to the wall of the process chamber; providing a work piece support within the process chamber; placing the substrate onto a support film on a frame to form a work piece work piece; loading the work piece onto the work piece support; providing a cover ring disposed above the work piece; generating a plasma through the plasma source; and etching the work piece through the generated plasma.
    Type: Application
    Filed: March 5, 2012
    Publication date: March 14, 2013
    Inventors: Chris Johnson, David Johnson, Russell Westerman
  • Publication number: 20120238073
    Abstract: The present invention provides a method for plasma dicing a substrate. The method comprising providing a process chamber having a wall; providing a plasma source adjacent to the wall of the process chamber; providing a work piece support within the process chamber; placing the substrate onto a support film on a frame to form a work piece work piece; loading the work piece onto the work piece support; providing a cover ring disposed above the work piece; generating a plasma through the plasma source; and etching the work piece through the generated plasma.
    Type: Application
    Filed: April 17, 2012
    Publication date: September 20, 2012
    Inventors: Chris Johnson, David Johnson, Russell Westerman
  • Patent number: 8187483
    Abstract: The present invention provides a method for improving the critical dimension performance during a plasma etching process of a photolithographic substrate having a thin film. A passivation film is deposited onto the photolithographic substrate using a first set of process conditions. The deposited film is etched from the photolithographic substrate using a second set of process conditions. An exposed surface of the photolithographic substrate is etched using a third set of process conditions. During the plasma processing of the photolithographic substrate, the critical dimension performance of the photolithographic substrate is monitored to insure that the target uniformity and feature widths are obtained by adjusting the deposition and etch plasma processing of the photolithographic substrate.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: May 29, 2012
    Inventors: Jason Plumhoff, Sunil Srinivasan, David Johnson, Russell Westerman
  • Patent number: 7959819
    Abstract: The present invention provides a method and an apparatus for reducing aspect ratio dependent etching that is observed when plasma etching deep trenches in a semiconductor substrate through an alternating deposition/etch process. A plurality of different sized features on the substrate are monitored in real time during the alternating deposition/etch process. Then, based on the information received from the monitor, at least one process parameter is adjusted in the alternating deposition/etch process to achieve equivalent etch depths of at least two different sized features on the substrate.
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: June 14, 2011
    Inventors: Shouliang Lai, David Johnson, Russell Westerman
  • Patent number: 7867403
    Abstract: The present invention provides a method for processing a photolithographic substrate, comprising the placement of the photolithographic substrate on a support member in a chamber wherein the photolithographic substrate has an initial temperature of about zero degrees Celsius to about fifty degrees Celsius. A heat transfer fluid is introduced into the chamber to cool the photolithographic substrate to a target temperature of less than about zero degrees Celsius to less than about minus forty degrees Celsius. The cooled photolithographic substrate is subjected to a plasma process before the temperature of the cooled photolithographic substrate reaches the initial temperature.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: January 11, 2011
    Inventors: Jason Plumhoff, Larry Ryan, John Nolan, David Johnson, Russell Westerman
  • Patent number: 7713432
    Abstract: The present invention provides a method and an apparatus for improving the etch uniformity across a substrate during a plasma etch process that employs the use of an inductively coupled plasma helical inductor. The plasma apparatus comprising a vacuum chamber, a support member in the vacuum chamber for holding the substrate, an etchant gas supply for providing an etchant gas to the vacuum chamber, an exhaust in fluid communication with the vacuum chamber, an RF power source and a helical inductor disposed around or near a portion of the vacuum chamber. A sensor is provided for measuring a process attribute to generate a signal to a controller that then controls a mechanism that varies the position of the helical inductor so that the uniformity of the plasma etch is improved.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: May 11, 2010
    Inventors: David Johnson, Russell Westerman
  • Publication number: 20080149597
    Abstract: The present invention provides a method for processing a photolithographic substrate, comprising the placement of the photolithographic substrate on a support member in a chamber wherein the photolithographic substrate has an initial temperature of about zero degrees Celsius to about fifty degrees Celsius. A heat transfer fluid is introduced into the chamber to cool the photolithographic substrate to a target temperature of less than about zero degrees Celsius to less than about minus forty degrees Celsius. The cooled photolithographic substrate is subjected to a plasma process before the temperature of the cooled photolithographic substrate reaches the initial temperature.
    Type: Application
    Filed: May 31, 2007
    Publication date: June 26, 2008
    Inventors: Jason Plumhoff, Larry Ryan, John Nolan, David Johnson, Russell Westerman
  • Patent number: 7381650
    Abstract: The present invention provides a method for controlling pressure in a chamber during a time division multiplexed process. A throttle valve is positioned based on an open-loop pressure control algorithm within at least one step of the time division multiplexed etch process. A pressure response of the step is evaluated and compared to a desired pressure response. The throttle valve is then positioned through a proportional, integral and derivative controller step to step of the time division multiplexed etch process based on the evaluation to the desired pressure response.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: June 3, 2008
    Assignee: Unaxis USA Inc.
    Inventors: David Johnson, Russell Westerman, Mike Teixeira, Shouliang Lai
  • Publication number: 20080035606
    Abstract: The present invention provides a method for improving the critical dimension performance during a plasma etching process of a photolithographic substrate having a thin film. A passivation film is deposited onto the photolithographic substrate using a first set of process conditions. The deposited film is etched from the photolithographic substrate using a second set of process conditions. An exposed surface of the photolithographic substrate is etched using a third set of process conditions. During the plasma processing of the photolithographic substrate, the critical dimension performance of the photolithographic substrate is monitored to insure that the target uniformity and feature widths are obtained by adjusting the deposition and etch plasma processing of the photolithographic substrate.
    Type: Application
    Filed: August 6, 2007
    Publication date: February 14, 2008
    Inventors: Jason Plumhoff, Sunil Srinivasan, David Johnson, Russell Westerman