Patents by Inventor Dwarakanath Geerpuram

Dwarakanath Geerpuram 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: 9202721
    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: February 10, 2014
    Date of Patent: December 1, 2015
    Assignee: Plasma-Therm LLC
    Inventors: Dwarakanath Geerpuram, David Pays-Volard, Linnell Martinez, Chris Johnson, David Johnson, Russell Westerman
  • Patent number: 9202737
    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 on a carrier support to form a work piece; providing an intermediate ring interposed between the substrate and the frame; loading the work piece onto the work piece support; generating a plasma through the plasma source; and etching the work piece through the generated plasma.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: December 1, 2015
    Assignee: Plasma-Therm LLC
    Inventors: Rich Gauldin, Dwarakanath Geerpuram, Ken Mackenzie, Thierry Lazerand, David Pays-Volard, Linnell Martinez, Russell Westerman, Gordon M. Grivna, Jason Doub
  • Publication number: 20150270154
    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 on a carrier support to form a work piece; providing an intermediate ring interposed between the substrate and the frame; loading the work piece onto the work piece support; generating a plasma through the plasma source; and etching the work piece through the generated plasma.
    Type: Application
    Filed: June 2, 2015
    Publication date: September 24, 2015
    Applicant: PLASMA-THERM LLC
    Inventors: Rich Gauldin, Dwarakanath Geerpuram, Ken Mackenzie, Thierry Lazerand, David Pays-Volard, Linnell Martinez, Russell Westerman, Gordon M. Grivna, Jason Doub
  • Patent number: 9082839
    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 on a carrier support to form a work piece; providing an intermediate ring interposed between the substrate and the frame; loading the work piece onto the work piece support; generating a plasma through the plasma source; and etching the work piece through the generated plasma.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: July 14, 2015
    Assignee: Plasma-Therm LLC
    Inventors: Rich Gauldin, Dwarakanath Geerpuram, Ken Mackenzie, Thierry Lazerand, David Pays-Volard, Linnell Martinez, Russell Westerman, Gordon M. Grivna, Jason Doub
  • Publication number: 20140242780
    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 on a carrier support to form a work piece; providing an intermediate ring interposed between the substrate and the frame; loading the work piece onto the work piece support; generating a plasma through the plasma source; and etching the work piece through the generated plasma.
    Type: Application
    Filed: March 7, 2014
    Publication date: August 28, 2014
    Applicant: Plasma-Therm LLC
    Inventors: Rich Gauldin, Dwarakanath Geerpuram, Ken Mackenzie, Thierry Lazerand, Davis Pays-Volard, Linnell Martinez, Russell Westerman, Gordon M. Grivna, Jason Doub
  • 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: 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