Patents Examined by Tiffany Nuckols
  • Patent number: 8557044
    Abstract: A shadow mask, a method of manufacturing the shadow mask, and a method of forming a thin film using the shadow mask are provided. The shadow mask includes an upper layer and a lower layer. The upper layer includes a first opening. The lower layer is formed on a lower surface of the upper layer around the first opening and includes an opening having the same size as the first opening. When the thin film is formed using the shadow mask, the lower layer of the shadow mask is close to the edge of a cavity of a substrate, and a position on which the thin film may be formed as defined by the lower layer of the shadow mask. Therefore, the thickness of the thin film can be uniform.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: October 15, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seok-whan Chung, Seok-jin Kang, Hyun-koo Jeong
  • Patent number: 8540819
    Abstract: A ceramic heater for a semiconductor substrate process includes a plate and a shaft. The plate includes a first base and a second base bonded to the first base. Defined on a mounting surface of the first base are: a first region having a surface contacting with a mounted substrate; a purge groove provided in the portion covered with the substrate and surrounds the first region; and a second region having a surface surrounding the purge groove. The first base has: an adsorber configured to adsorb the mounted substrate onto the surface of the first region; and multiple purge holes each penetrating from the bottom surface of the purge groove to the lower surface of the first base. The purge groove is supplied with a purge gas through the multiple purge holes. The surface of the second region is located lower than that of the first region.
    Type: Grant
    Filed: March 19, 2009
    Date of Patent: September 24, 2013
    Assignee: NGK Insulators, Ltd.
    Inventors: Takashi Kataigi, Yuji Akatsuka
  • Patent number: 8529730
    Abstract: In a plasma processing apparatus including a vacuum-evacuable processing chamber, a first lower electrode for supporting a substrate to be processed thereon is disposed in the processing chamber and an upper electrode is disposed above the first lower electrode to face the first lower electrode. Further, a second lower electrode is disposed under the first lower electrode while being electrically isolated from the first lower electrode. A processing gas supply unit supplies a processing gas into a space between the upper electrode and the first lower electrode. A first high frequency power supply unit applies a first high frequency power of a first frequency to the first lower electrode, and a second high frequency power supply unit applies a second high frequency power of a second frequency higher than the first frequency to the second lower electrode.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: September 10, 2013
    Assignee: Tokyo Electron Limited
    Inventor: Yohei Yamazawa
  • Patent number: 8500907
    Abstract: The invention relates to a masking system for masking a cylinder bore (2) of a combustion engine (3) during a thermal coating procedure including a masking body (4) which can be placed during the thermal coating of a first cylinder (5) of the combustion engine (3) in the cylinder bore (2) of a second cylinder (7) to cover a cylinder wall (6) of the second cylinder (7). In this arrangement the masking body (4) is designed in such a way that a flow gap (10) of predeterminable breadth can be set between the masking body (4) and the cylinder wall (6) of the second cylinder (7) for the production of a flow (8) of a fluid (9).
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: August 6, 2013
    Assignee: Sulzer Metco AG
    Inventors: Christian Bohnheio, Gerard Barbezat
  • Patent number: 8418650
    Abstract: An inner electrode for barrier film formation is an inner electrode for barrier film formation that is inserted inside a plastic container having an opening, supplies a medium gas to the inside of the plastic container, and supplies high frequency power to an outer electrode arranged outside the plastic container, thereby generating discharge plasma on the inner surface of the plastic container to form a barrier film on the inner surface of the plastic container, and that is provided with a gas supply pipe having a gas flow path to supply a medium gas and an insulating member screwed into an end portion of the gas supply pipe to be flush therewith and having a gas outlet communicated with the gas flow path.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: April 16, 2013
    Assignee: Mitsubishi Heavy Industries Food & Packaging Machinery Co., Ltd.
    Inventors: Seiji Goto, Hideo Yamakoshi, Atsushi Ueda, Kenichi Okamoto, Yuji Asahara, Minoru Danno
  • Patent number: 8398775
    Abstract: The present invention comprises an electrode arrangement for a coating device with a stationary first electrode (3) and a second movable electrode (18), whose principle surfaces are opposing each other during coating, wherein the second electrode (18) may be moved along a plane parallel to the opposing principle surfaces, wherein at least one end face of an electrode running transversely to the principal surface an electrical shield (12, 19, 13) is provided, which extends at least partially parallel to the end face of one electrode, wherein at least one part (14) of the shield is formed so as to be movable.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: March 19, 2013
    Assignee: Applied Materials, Inc.
    Inventors: Frank Stahr, Ulf Stephan, Olaff Steinke, Klaus Schade
  • Patent number: 8398777
    Abstract: A pedestal positioning assembly system for use in a substrate processing system includes a pedestal rigidly attached to a pedestal shaft, a reference rigidly attached to the substrate processing system, a lateral adjustment assembly to adjust a lateral location of the pedestal relative to the reference, and a vertical adjustment assembly to adjust a tilt of the pedestal relative to the reference. The lateral adjustment assembly and the vertical adjustment assembly are external to a processing chamber and are coupled to the pedestal disposed within the processing chamber through the pedestal shaft. The reference can be a ring and the lateral adjustment assembly substantially centers the pedestal within the ring. A method of adjusting a pedestal includes leveling the pedestal, translating the pedestal, calibrating the pedestal height to a preheat ring level, and checking the level and location of the pedestal while rotating the pedestal.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: March 19, 2013
    Assignee: Applied Materials, Inc.
    Inventors: Richard O. Collins, Kailash Kiran Patalay, Jean R. Vatus, Zhepeng Cong
  • Patent number: 8394229
    Abstract: A one-piece susceptor ring for housing at least one temperature measuring device is provided. The susceptor ring includes a plate having an aperture formed therethrough and a pair of side ribs integrally connected to a lower surface of the plate. The side ribs are located on opposing sides of the aperture. The susceptor ring further includes a bore formed in each of the pair of side ribs. Each bore is configured to receive a temperature measuring device therein.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: March 12, 2013
    Assignee: ASM America, Inc.
    Inventors: Ravinder Aggarwal, Bob Haro
  • Patent number: 8394230
    Abstract: A plasma processing apparatus is provided with a replacement time detecting unit, which detects the status of residual charges which attract a semiconductor wafer and detects a time when an electrostatic chuck is to be replaced, at a time when a direct voltage application from a direct current source is stopped and the semiconductor wafer is brought up from the electrostatic chuck.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: March 12, 2013
    Assignee: Tokyo Electron Limited
    Inventor: Kazuyuki Tezuka
  • Patent number: 8381677
    Abstract: A method and apparatus for processing a substrate are provided. The chamber body comprises a chamber bottom and a sidewall having a slit valve. A substrate support comprising a support body is disposed in the chamber body. A first end of at least one wide RF ground strap is coupled with the support body and a second end of at least one RF ground strap is coupled with the chamber bottom. At least one extension bar is positioned along a peripheral edge of the support body. The method comprises providing a processing chamber having a slit valve and a substrate support, providing RF power to a distribution plate disposed over the substrate support, flowing gas through the distribution plate, plasma processing a substrate disposed on the substrate support, and reducing the generation of plasma adjacent to the slit valve.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: February 26, 2013
    Assignee: Applied Materials, Inc.
    Inventors: Beom Soo Park, Robin L. Tiner, Soo Young Choi, John M. White
  • Patent number: 8343305
    Abstract: Apparatus and methods for diagnosing status of a consumable part of a plasma reaction chamber, the consumable part including at least one conductive element embedded therein. The method includes the steps of: coupling the conductive element to a power supply so that a bias potential relative to the ground is applied to the conductive element; exposing the consumable part to plasma erosion until the conductive element draws a current from the plasma upon exposure of the conductive element to the plasma; measuring the current; and evaluating a degree of erosion of the consumable part due to the plasma based on the measured current.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: January 1, 2013
    Assignee: Lam Research Corporation
    Inventor: Roger Patrick
  • Patent number: 8337619
    Abstract: A method of treating a metal surface of a portion of a substrate processing system to lower a defect concentration near a processed surface of a substrate includes forming a protective coating on the metal surface, wherein the protective coating includes nickel (Ni) and a fluoropolymer. Forming the protective coating on the metal surface can further include forming a nickel layer on the metal surface, impregnating the nickel layer with a fluoropolymer, and removing fluoropolymer from the surface leaving a predominantly nickel surface so the fluoropolymer is predominantly subsurface. A substrate processing system includes a process chamber into which a reactant gas is introduced, a pumping system for removing material from the process chamber, a first component with a protective coating, wherein the protective coating forms a surface of the component which is exposed to an interior of the substrate processing chamber or an interior of the pumping system.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: December 25, 2012
    Assignee: Applied Materials, Inc.
    Inventors: David K. Carlson, Roger N. Anderson
  • Patent number: 8337622
    Abstract: A semiconductor device manufacturing apparatus includes a chamber in which a wafer is loaded; a first gas supply unit for supplying a process gas into the chamber; a gas exhaust unit for exhausting a gas from the chamber; a wafer support member on which the wafer is placed; a ring on which the wafer support member is placed; a rotation drive control unit connected to the ring to rotate the wafer; a heater disposed in the ring and comprising a heater element for heating the wafer to a predetermined temperature and including an SiC layer on at least a surface, and a heater electrode portion molded integrally with a heater element and including an SiC layer on at least a surface; and a second gas supply unit for supplying an SiC source gas into the ring.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: December 25, 2012
    Assignee: NuFlare Technology, Inc.
    Inventors: Kunihiko Suzuki, Shinichi Mitani
  • Patent number: 8328982
    Abstract: Devices and methods for generating a low-temperature, atmospheric pressure plasma are disclosed. A plasma device may include a first electrode having an inlet for a gas, a second electrode having an outlet for the gas and disposed proximate to the first electrode to form a substantially uniform gap therebetween. The gas flows along the substantially uniform gap and from a plurality of different directions to converge and flow through the outlet. High frequency electrical power is applied between the first electrode and the second electrode to generate a plasma within the gas flow emerging at the outlet. Precursor chemicals are added to the plasma flow at the outlet. Various electrode designs may be implemented and various applications involving surface treatment of materials with the low-temperature atmospheric plasma, including surface activation, cleaning, sterilization, etching and deposition of thin films are disclosed.
    Type: Grant
    Filed: September 18, 2006
    Date of Patent: December 11, 2012
    Assignee: Surfx Technologies LLC
    Inventors: Steve Babayan, Robert Hicks
  • Patent number: 8323413
    Abstract: A susceptor and a semiconductor manufacturing apparatus including the same are provided. A wafer is loaded on a susceptor and the susceptor includes at least one pocket whose bottom surface is inclined. The semiconductor manufacturing apparatus includes a reaction chamber, a heating unit that generates heat in the reaction chamber, a susceptor on which a wafer is loaded and that includes at least one pocket whose bottom surface is inclined, and a rotation shaft coupled with the susceptor.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: December 4, 2012
    Assignee: LG Innotek Co., Ltd
    Inventor: Hyo Kun Son
  • Patent number: 8313612
    Abstract: Provided is a substrate dechucking system of a plasma processing chamber adapted to remove a substrate from an ESC with reduction in voltage potential spike during dechucking of the substrate.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: November 20, 2012
    Assignee: Lam Research Corporation
    Inventors: Brian McMillin, Jose V. Tong, Yen-Kun Victor Wang
  • Patent number: 8287650
    Abstract: Embodiments of a cover ring for use in a plasma processing chamber are provided. In one embodiment, a cover ring for use in a plasma processing chamber includes a ring-shaped body fabricated from a yttrium (Y) containing material. The body includes a bottom surface having an inner locating ring and an outer locating ring. The inner locating ring extends further from the body than the outer locating ring. The body includes an inner diameter wall having a main wall and a secondary wall separated by a substantially horizontal land. The body also includes a top surface having an outer sloped top surface meeting an inner sloped surface at an apex. The inner sloped surface defines an angle with a line perpendicular to a centerline of the body less than about 70 degrees.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: October 16, 2012
    Assignee: Applied Materials, Inc.
    Inventors: Changhun Lee, Michael D. Willwerth, Hoan Hguyen
  • Patent number: 8257500
    Abstract: In a transport device for elongated substrates, especially in hot processes, which includes an essentially rectangular frame, formed by longitudinal and transverse spars connected to each other, in which at least three transverse spars are provided between two longitudinal spars, at least one transverse spar is made from a material, whose heat expansion coefficient differs from the heat expansion coefficient of the material of the other transverse spars or/and at least one transverse spar is connected force-free to at least one transverse support or/and at least one transverse spar is formed from an open profile.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: September 4, 2012
    Assignee: Von Ardenne Anlagentechnik GmbH
    Inventors: Johannes Struempfel, Reinhardt Bauer, Andreas Heisig, Andre Ulbricht, Steffen Goerke, Heiko Richter, Falk Schwerdtfeger
  • Patent number: 8230807
    Abstract: The present invention describes a method for manufacturing a low dielectric constant coating, which coating comprises an inorganic and an organic component, wherein precursors for these components are activated in at least two plasma sources for plasma activated deposition of a chemical vapor phase and wherein said activated precursors are combined before they are deposited from the chemical vapor phase on the substrate to form the coating, characterized in that said inorganic component comprises porous nanoparticles. The invention also describes a device for the manufacture of a low dielectric constant coating.
    Type: Grant
    Filed: April 14, 2005
    Date of Patent: July 31, 2012
    Assignee: ASM International N.V.
    Inventors: Gregory Robert Alcott, Mariadriana Creatore, Joannes Leonard Linden, Mauritius Cornelis Maria van de Sanden
  • Patent number: 8226770
    Abstract: Methods and apparatus for providing constant emissivity of the backside of susceptors are provided. Provided is a susceptor comprising: a susceptor plate having a surface for supporting a wafer and a backside surface opposite the wafer supporting surface; a layer comprising an oxide, a nitride, an oxynitride, or combinations thereof located on the backside surface of the susceptor plate, the layer being stable in the presence of a reactive process gas. The layer comprises, for example, silicon dioxide, silicon nitride, silicon oxynitride, or combinations thereof. Also provided is a method comprising: providing a susceptor in a deposition chamber, the susceptor comprising a susceptor plate and a layer comprising an oxide, a nitride, an oxynitride, or combinations thereof, the layer being stable in the presence of the reactive process gases; locating the wafer on a support surface of the susceptor plate.
    Type: Grant
    Filed: May 4, 2007
    Date of Patent: July 24, 2012
    Assignee: Applied Materials, Inc.
    Inventors: Errol Sanchez, David K. Carlson, Craig Metzner