Patents by Inventor Mark N. Kawaguchi

Mark N. Kawaguchi 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: 7846347
    Abstract: The invention provides for a method and integrated system for removing a halogen-containing residue from a substrate comprising etching the substrate, heating the substrate and exposing the heated substrate to a plasma that removes the halogen-containing residue.
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: December 7, 2010
    Assignee: Applied Materials, Inc.
    Inventors: Mark N. Kawaguchi, James S. Papanu, Scott Williams, Matthew Fenton Davis
  • Patent number: 7648916
    Abstract: Methods for monitoring and detecting optical emissions while performing photoresist stripping and removal of residues from a substrate or a film stack on a substrate are provided herein. In one embodiment, a method is provided that includes positioning a substrate comprising a photoresist layer into a processing chamber; processing the photoresist layer using a multiple step plasma process; and monitoring the plasma for a hydrogen optical emission during the multiple step plasma process; wherein the multiple step plasma process includes removing a bulk of the photoresist layer using a bulk removal step; and switching to an overetch step in response to the monitored hydrogen optical emission.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: January 19, 2010
    Assignee: Applied Materials, Inc.
    Inventors: Elizabeth G. Pavel, Mark N. Kawaguchi, James S. Papanu
  • Patent number: 7604708
    Abstract: A substrate cleaning apparatus has a remote source to remotely energize a hydrogen-containing gas to form an energized gas having a first ratio of ionic hydrogen-containing species to radical hydrogen-containing species. The apparatus has a process chamber with a substrate support, an ion filter to filter the remotely energized gas to form a filtered energized gas having a second ratio of ionic hydrogen-containing species to radical hydrogen-containing species, the second ratio being different than the first ratio, and a gas distributor to introduce the filtered energized gas into the chamber.
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: October 20, 2009
    Assignee: Applied Materials, Inc.
    Inventors: Bingxi Sun Wood, Mark N. Kawaguchi, James S. Papanu, Roderick C. Mosely, Chiukun Steven Lai, Chien-Teh Kao, Hua Ai, Wei W. Wang
  • Patent number: 7374696
    Abstract: The invention provides for a method and integrated system for removing a halogen-containing residue from a substrate comprising etching the substrate, heating the substrate and exposing the heated substrate to a plasma that removes the halogen-containing residue.
    Type: Grant
    Filed: February 11, 2004
    Date of Patent: May 20, 2008
    Assignee: Applied Materials, Inc.
    Inventors: Mark N. Kawaguchi, James S. Papanu, Scott Williams, Matthew Fenton Davis
  • Patent number: 6991739
    Abstract: A method of photoresist removal is described. A substrate is located in a processing chamber. A mixture of gases is excited, the mixture comprising a majority component of a reducing process gas and a minority component of between 0.1% and 10% by volume of an oxidizing process gas. Reactive gas species are thereby generated. A photoresist layer with an exposed dielectric layer on the substrate in the chamber is then exposed to the reactive gas mixture to selectively remove the photoresist layer from the dielectric layer.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: January 31, 2006
    Assignee: Applied Materials, Inc.
    Inventors: Mark N. Kawaguchi, Huong T. Nguyen, Nikolaos Bekiaris, James S. Papanu
  • Publication number: 20040219789
    Abstract: A substrate cleaning apparatus has a remote source to remotely energize a hydrogen-containing gas to form an energized gas having a first ratio of ionic hydrogen-containing species to radical hydrogen-containing species. The apparatus has a process chamber with a substrate support, an ion filter to filter the remotely energized gas to form a filtered energized gas having a second ratio of ionic hydrogen-containing species to radical hydrogen-containing species, the second ratio being different than the first ratio, and a gas distributor to introduce the filtered energized gas into the chamber.
    Type: Application
    Filed: February 12, 2004
    Publication date: November 4, 2004
    Applicant: Applied Materials, Inc.
    Inventors: Bingxi Sun Wood, Mark N. Kawaguchi, James S. Papanu, Roderick C. Mosely, Chiukin Steven Lai, Chien-Teh Kao, Hua Ai, Wei W. Wang
  • Publication number: 20040203251
    Abstract: The invention provides for a method and integrated system for removing a halogen-containing residue from a substrate comprising etching the substrate, heating the substrate and exposing the heated substrate to a plasma that removes the halogen-containing residue.
    Type: Application
    Filed: February 11, 2004
    Publication date: October 14, 2004
    Inventors: Mark N. Kawaguchi, James S. Papanu, Scott Williams, Matthew Fenton Davis
  • Publication number: 20040195208
    Abstract: A method for monitoring and detecting a hydrogen optical emission while performing photoresist stripping and removal of residues from a substrate or a film stack on a substrate.
    Type: Application
    Filed: February 11, 2004
    Publication date: October 7, 2004
    Inventors: Elizabeth G. Pavel, Mark N. Kawaguchi, James S. Papanu
  • Publication number: 20030075524
    Abstract: A method of photoresist removal is described. A substrate is located in a processing chamber. A mixture of gases is excited, the mixture comprising a majority component of a reducing process gas and a minority component of between 0.1% and 10% by volume of an oxidizing process gas. Reactive gas species are thereby generated. A photoresist layer with an exposed dielectric layer on the substrate in the chamber is then exposed to the reactive gas mixture to selectively remove the photoresist layer from the dielectric layer.
    Type: Application
    Filed: October 15, 2001
    Publication date: April 24, 2003
    Applicant: Applied Materials, Inc.
    Inventors: Mark N. Kawaguchi, Huong T. Nguyen, Nikolaos Bekiaris, James S. Papanu