Patents by Inventor Alexander N Lerner

Alexander N Lerner 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: 20120055405
    Abstract: An apparatus and method for supporting, positioning and rotating a substrate are provided. In one embodiment, a support assembly for supporting a substrate includes an upper base plate and a lower base plate. The substrate is floated on a thin layer of air over the upper base plate. A positioning assembly includes a plurality of air bearing edge rollers or air flow pockets used to position the substrate in a desired orientation inside above the upper base plate. A plurality of slanted apertures or air flow pockets are configured in the upper base plate for flowing gas therethrough to rotate the substrate to ensure uniform heating during processing.
    Type: Application
    Filed: November 11, 2011
    Publication date: March 8, 2012
    Inventors: Blake Koelmel, Alexander N. Lerner, Joseph M. Ranish, Kedarnath Sangam, Khurshed Sorabji
  • Publication number: 20120058648
    Abstract: Embodiments of the present invention provide apparatus and method for improving gas distribution during thermal processing. One embodiment of the present invention provides an apparatus for processing a substrate comprising a chamber body defining a processing volume, a substrate support disposed in the processing volume, wherein the substrate support is configured to support and rotate the substrate, a gas inlet assembly coupled to an inlet of the chamber body and configured to provide a first gas flow to the processing volume, and an exhaust assembly coupled to an outlet of the chamber body, wherein the gas inlet assembly and the exhaust assembly are disposed on opposite sides of the chamber body, and the exhaust assembly defines an exhaust volume configured to extend the processing volume.
    Type: Application
    Filed: November 15, 2011
    Publication date: March 8, 2012
    Inventors: Ming-Kuei (Michael) Tseng, Norman Tam, Yoshitaka Yokota, Agus Tjandra, Robert Navasca, Mehran Behdjat, Sundar Ramamurthy, Kedarnath Sangam, Alexander N. Lerner
  • Patent number: 8111978
    Abstract: Apparatus and methods for thermally processing a substrate are provided. A chamber containing a levitating support assembly configured to position the substrate at different distances from a plate during the heating and cooling of a substrate. In one embodiment a plurality of openings on the surface of the plate are configured to evenly distribute gas across a radial surface of the substrate. The distribution of gas may couple radiant energy not reflected back to the substrate during thermal processing with an absorptive region of the plate to begin the cooling of the substrate. The method and apparatus provided within allows for a controllable and effective means for thermally processing a substrate rapidly.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: February 7, 2012
    Assignee: Applied Materials, Inc.
    Inventors: Khurshed Sorabji, Joseph Michael Ranish, Wolfgang Aderhold, Aaron Muir Hunter, Alexander N. Lerner
  • Patent number: 8097543
    Abstract: Embodiments of the invention contemplate a method, apparatus and system that are used to support and position a substrate on a surface that is at a different temperature than the initial, or incoming, substrate temperature. Embodiments of the invention may also include a method of controlling the transfer of heat between a substrate and substrate support positioned in a processing chamber. The apparatus and methods described herein generally may also provide an inexpensive and simple way of accurately positioning a substrate on a substrate support that is positioned in a semiconductor processing chamber. Substrate processing chambers that can benefit from the various embodiments described herein include, but are not limited to RTP, CVD, PVD, ALD, plasma etching, and/or laser annealing chambers.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: January 17, 2012
    Assignee: Applied Materials, Inc.
    Inventors: Blake Koelmel, Abhilash J. Mayur, Kai Ma, Alexander N. Lerner
  • Patent number: 8057602
    Abstract: Embodiments of the invention contemplate a method, apparatus and system that are used to support, position, and rotate a substrate during processing. Embodiments of the invention may also include a method of controlling the transfer of heat between a substrate and substrate support positioned in a processing chamber. The apparatus and methods described herein remove the need for complex, costly and often unreliable components that would be required to accurately position and rotate a substrate during one or more processing steps, such as an rapid thermal processing (RTP) process, a chemical vapor deposition (CVD) process, a physical vapor deposition (PVD) process, atomic layer deposition (ALD) process, dry etching process, wet clean, and/or laser annealing process.
    Type: Grant
    Filed: January 21, 2008
    Date of Patent: November 15, 2011
    Assignee: Applied Materials, Inc.
    Inventors: Blake Koelmel, Alexander N. Lerner, Joseph M. Ranish, Kedarnath Sangam, Khurshed Sorabji
  • Patent number: 8057601
    Abstract: An apparatus and method for supporting, positioning and rotating a substrate are provided. In one embodiment, a support assembly for supporting a substrate includes an upper base plate and a lower base plate. The substrate is floated on a thin layer of air over the upper base plate. A positioning assembly includes a plurality of air bearing edge rollers or air flow pockets used to position the substrate in a desired orientation inside above the upper base plate. A plurality of slanted apertures or air flow pockets are configured in the upper base plate for flowing gas therethrough to rotate the substrate to ensure uniform heating during processing.
    Type: Grant
    Filed: May 9, 2007
    Date of Patent: November 15, 2011
    Assignee: Applied Materials, Inc.
    Inventors: Blake Koelmel, Alexander N. Lerner, Joseph M. Ranish, Kedarnath Sangam, Khurshed Sorabji
  • Patent number: 8056500
    Abstract: Embodiments of the present invention provide apparatus and method for improving gas distribution during thermal processing. One embodiment of the present invention provides an apparatus for processing a substrate comprising a chamber body defining a processing volume, a substrate support disposed in the processing volume, wherein the substrate support is configured to support and rotate the substrate, a gas inlet assembly coupled to an inlet of the chamber body and configured to provide a first gas flow to the processing volume, and an exhaust assembly coupled to an outlet of the chamber body, wherein the gas inlet assembly and the exhaust assembly are disposed on opposite sides of the chamber body, and the exhaust assembly defines an exhaust volume configured to extend the processing volume.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: November 15, 2011
    Assignee: Applied Materials, Inc.
    Inventors: Ming-Kuei (Michael) Tseng, Norman Tam, Yoshitaka Yokota, Agus Tjandra, Robert Navasca, Mehran Behdjat, Sundar Ramamurthy, Kedarnath Sangam, Alexander N. Lerner
  • Patent number: 7923660
    Abstract: Disclosed is the method and apparatus for annealing semiconductor substrates. One embodiment provides a semiconductor processing chamber comprising a first substrate support configured to support a substrate, a second substrate support configured to support a substrate, a shuttle coupled to the first substrate support and configured to move the first substrate support between a processing zone and a first loading zone, wherein the processing zone having a processing volume configured to alternately accommodating the first substrate support and the second substrate support.
    Type: Grant
    Filed: August 15, 2007
    Date of Patent: April 12, 2011
    Assignee: Applied Materials, Inc.
    Inventors: Alexander N. Lerner, Timothy N. Thomas, Sundar Ramamurthy
  • Patent number: 7923280
    Abstract: A method and apparatus for thermally processing a substrate is provided. A substrate is disposed within a processing chamber configured for thermal processing by directing electromagnetic energy toward a surface of the substrate. An energy blocker is provided to block at least a portion of the energy directed toward the substrate. The blocker prevents damage to the substrate from thermal stresses as the incident energy approaches an edge of the substrate.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: April 12, 2011
    Assignee: Applied Materials, Inc.
    Inventors: Blake Koelmel, Robert C. McIntosh, David D L Larmagnac, Alexander N. Lerner, Abhilash J. Mayur, Joseph Yudovsky
  • Publication number: 20110008740
    Abstract: A method and apparatus for thermally processing a substrate is provided. In one embodiment, a method for thermally treating a substrate is provided. The method includes transferring a substrate to a chamber at a first temperature, the chamber having a heating source and a cooling source disposed in opposing portions of the chamber, heating the substrate in the chamber during a first time period to a second temperature, heating the substrate in the chamber to a third temperature during a second time period, and cooling the substrate in the chamber to a fourth temperature that is substantially equal to the second temperature during the second time period, wherein the second time period is about 2 seconds or less.
    Type: Application
    Filed: September 21, 2010
    Publication date: January 13, 2011
    Inventors: Khurshed Sorabji, Alexander N. Lerner
  • Publication number: 20100273334
    Abstract: A method and apparatus for thermally processing a substrate is provided. A substrate is disposed within a processing chamber configured for thermal processing by directing electromagnetic energy toward a surface of the substrate. An energy blocker is provided to block at least a portion of the energy directed toward the substrate. The blocker prevents damage to the substrate from thermal stresses as the incident energy approaches an edge of the substrate.
    Type: Application
    Filed: July 12, 2010
    Publication date: October 28, 2010
    Inventors: Blake Koelmel, Robert C. McIntosh, David DL Larmagnac, Alexander N. Lerner, Abhilash J. Mayur, Joseph Yudovsky
  • Patent number: 7812286
    Abstract: A method and apparatus for thermally processing a substrate is described. The apparatus includes a substrate support configured to move linearly and/or rotationally by a magnetic drive. The substrate support is also configured to receive a radiant heat source to provide heating region in a portion of the chamber. An active cooling region comprising a cooling plate is disposed opposite the heating region. The substrate may move between the two regions to facilitate rapidly controlled heating and cooling of the substrate.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: October 12, 2010
    Assignee: Applied Materials, Inc.
    Inventors: Khurshed Sorabji, Alexander N. Lerner
  • Patent number: 7754518
    Abstract: A method and apparatus for thermally processing a substrate is provided. A substrate is disposed within a processing chamber configured for thermal processing by directing electromagnetic energy toward a surface of the substrate. An energy blocker is provided to block at least a portion of the energy directed toward the substrate. The blocker prevents damage to the substrate from thermal stresses as the incident energy approaches an edge of the substrate.
    Type: Grant
    Filed: February 15, 2008
    Date of Patent: July 13, 2010
    Assignee: Applied Materials, Inc.
    Inventors: Blake Koelmel, Robert C. McIntosh, David D L Larmagnac, Alexander N. Lerner, Abhilash J. Mayur, Joseph Yudovsky
  • Publication number: 20100133257
    Abstract: Methods and apparatus for rapid thermal processing of a planar substrate including axially aligning the substrate with a substrate support or with an empirically determined position are described. The methods and apparatus include a sensor system that determines the relative orientations of the substrate and the substrate support.
    Type: Application
    Filed: November 4, 2009
    Publication date: June 3, 2010
    Applicant: Applied Materials, Inc.
    Inventors: Khurshed Sorabji, Joseph M. Ranish, Wolfgang Aderhold, Aaron M. Hunger, Blake R. Koelmel, Alexander N. Lerner, Nir Merry
  • Publication number: 20100008656
    Abstract: Apparatus and methods for thermally processing a substrate are provided. A chamber containing a levitating support assembly configured to position the substrate at different distances from a plate during the heating and cooling of a substrate. In one embodiment a plurality of openings on the surface of the plate are configured to evenly distribute gas across a radial surface of the substrate. The distribution of gas may couple radiant energy not reflected back to the substrate during thermal processing with an absorptive region of the plate to begin the cooling of the substrate. The method and apparatus provided within allows for a controllable and effective means for thermally processing a substrate rapidly.
    Type: Application
    Filed: July 11, 2008
    Publication date: January 14, 2010
    Inventors: KHURSHED SORABJI, Joseph Michael Ranish, Wolfgang Aderhold, Aaron Muir Hunter, Alexander N. Lerner
  • Publication number: 20090298300
    Abstract: Methods and apparatus for hyperbaric rapid thermal processing of a substrate are described. Methods of processing a substrate in a rapid thermal processing chamber are described that include passing a substrate from outside the chamber through an access port onto a support in the interior region of the processing chamber, closing a port door sealing the chamber, pressurizing the chamber to a pressure greater than 1.5 atmospheres absolute and directing radiant energy toward the substrate. Hyperbaric rapid thermal processing chambers are described which are constructed to withstand pressures greater than at least about 1.5 atmospheres absolute or, optionally, 2 atmospheres of absolute pressure. Processing chambers may include pressure control valves to control the pressure within the chamber.
    Type: Application
    Filed: May 7, 2009
    Publication date: December 3, 2009
    Applicant: Applied Materials, Inc.
    Inventors: Joseph M. Ranish, Khurshed Sorabji, Alexander N. Lerner, Aaron M. Hunter
  • Publication number: 20090241996
    Abstract: In a first aspect, a module is provided that is adapted to process a wafer. The module includes a processing portion having one or more features such as (1) a rotatable wafer support for rotating an input wafer from a first orientation wherein the wafer is in line with a load port to a second orientation wherein the wafer is in line with an unload port; (2) a catcher adapted to contact and travel passively with a wafer as it is unloaded from the processing portion; (3) an enclosed output portion adapted to create a laminar air flow from one side thereof to the other; (4) an output portion having a plurality of wafer receivers; (5) submerged fluid nozzles; and/or (6) drying gas flow deflectors, etc. Other aspects include methods of wafer processing.
    Type: Application
    Filed: December 29, 2008
    Publication date: October 1, 2009
    Inventors: Younes Achkire, Alexander N. Lerner, Boris I. Govzman, Boris Fishkin, Michael N. Sugarman, Rashid A. Mavliev, Haoquan Fang, Shijian Li, Guy E. Shirazi, Jianshe Tang
  • Publication number: 20090209112
    Abstract: A method and apparatus for thermally processing a substrate is provided. A substrate is disposed within a processing chamber configured for thermal processing by directing electromagnetic energy toward a surface of the substrate. An energy blocker is provided to block at least a portion of the energy directed toward the substrate. The blocker prevents damage to the substrate from thermal stresses as the incident energy approaches an edge of the substrate.
    Type: Application
    Filed: February 15, 2008
    Publication date: August 20, 2009
    Inventors: Blake Koelmel, Robert C. McIntosh, David DL Larmagnac, Alexander N. Lerner, Abhilash J. Mayur, Joseph Yudovsky
  • Publication number: 20090181553
    Abstract: Embodiments of the invention contemplate a method, apparatus and system that are used to support and position a substrate on a surface that is at a different temperature than the initial, or incoming, substrate temperature. Embodiments of the invention may also include a method of controlling the transfer of heat between a substrate and substrate support positioned in a processing chamber. The apparatus and methods described herein generally may also provide an inexpensive and simple way of accurately positioning a substrate on a substrate support that is positioned in a semiconductor processing chamber. Substrate processing chambers that can benefit from the various embodiments described herein include, but are not limited to RTP, CVD, PVD, ALD, plasma etching, and/or laser annealing chambers.
    Type: Application
    Filed: January 11, 2008
    Publication date: July 16, 2009
    Inventors: Blake Koelmel, Abhilash J. Mayur, Kai Ma, Alexander N. Lerner
  • Publication number: 20090179365
    Abstract: A vacuum chuck and a process chamber equipped with the same are provided. The vacuum chuck assembly comprises a support body, a plurality of protrusions, a plurality of channels, at least one support member supporting the support body, at least one resilient member coupled with the support member, a hollow shaft supporting the support body, at least one electrical connector disposed through the hollow shaft, and an air-cooling apparatus. The support body has a support surface for holding a substrate (such as a wafer) thereon. The protrusions are formed on and project from the support surface for creating a gap between the substrate and the support surface. The channels are formed on the support surface for generating reduced pressure in the gap. The air-cooling apparatus is used for providing air cooling in the vicinity of the electrical connector.
    Type: Application
    Filed: January 15, 2008
    Publication date: July 16, 2009
    Inventors: Alexander N. Lerner, Blake Koelmel, Mehran Behdjat