Patents by Inventor Hong-An Shih

Hong-An Shih 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: 20130104938
    Abstract: In one embodiment, a method for cleaning a showerhead electrode my include sealing a showerhead electrode within a cleaning assembly such that a first cleaning volume is formed on a first side of the showerhead electrode and a second cleaning volume is formed on a second side of the showerhead electrode. An acidic solution can be loaded into the first cleaning volume on the first side of the showerhead electrode. The first cleaning volume on the first side of the showerhead electrode can be pressurized such that at least a portion of the acidic solution flows through one or more of the plurality of gas passages of the showerhead electrode. An amount of purified water can be propelled through the second cleaning volume on the second side of the showerhead electrode, and into contact with the second side of the showerhead electrode.
    Type: Application
    Filed: May 30, 2012
    Publication date: May 2, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventors: Armen Avoyan, Cliff La Croix, Hong Shih, John Daugherty
  • Publication number: 20130104930
    Abstract: A method of cleaning a surface of a component of a plasma chamber, wherein the component has an aluminum or anodized aluminum surface, the method including the steps of: soaking the surface of the component in a diluted sulfuric peroxide (DSP) solution; spray rinsing the surface with water following removal of the surface from the DSP solution; soaking the surface in a dilute nitric acid (HNO3) solution; spray rinsing the surface with water following removal of the surface from the dilute nitric acid solution; and repeating at least twice the steps of soaking the surface in dilute nitric acid followed by spray rinsing the surface.
    Type: Application
    Filed: October 31, 2011
    Publication date: May 2, 2013
    Applicant: Lam Research Corporation
    Inventors: Hong Shih, John Daugherty, Dean J. Larson, Tuochuan Huang, Armen Avoyan, Jeremy Chang, Sivakami Ramanathan, Robert Anderson, Yan Fang, Duane Outka, Paul Mulgrew
  • Publication number: 20130100278
    Abstract: An automated hydrogen bubble detection apparatus includes a horizontal support surface on which a test coupon can be supported, a transparent tube having an open top and an open bottom and operable to contain a test solution when positioned on a test coupon, a camera arranged to view a test solution in the transparent tube, and a controller in communication with the camera and effective to operate the camera such that at least one video segment is recorded by the camera and analyzed to detect first bubble and continuous bubble generation. A method of evaluating corrosion resistance of coatings on aluminum and steel in acidic solution is also included.
    Type: Application
    Filed: October 19, 2011
    Publication date: April 25, 2013
    Applicant: Lam Research Corporation
    Inventors: Josh Cormier, Fangli Hao, Hong Shih, Tuochuan Huang, John Daugherty, Allan Ronne, Fred Dennis Egley
  • Publication number: 20130052339
    Abstract: A method is provided for treating a bipolar ESC having a front surface and a back surface, the front surface including an anodized layer. The method includes eliminating the anodized layer, disposing a new anodized layer onto the front surface, and treating the new anodized layer with water to seal the new anodized layer.
    Type: Application
    Filed: August 26, 2011
    Publication date: February 28, 2013
    Inventors: Hong Shih, Tuochuan Huang, David Schaefer, Ambarish Chhatre, John Daugherty, MingHang Wu, Clifford La Croix
  • Publication number: 20130019907
    Abstract: In one embodiment, a dual phase cleaning chamber may include a turbulent mixing chamber, a fluid diffuser, an isostatic pressure chamber and a rupture mitigating nozzle. The turbulent mixing chamber may be in fluid communication with a first fluid inlet and a second fluid inlet. The fluid diffuser may be in fluid communication with the turbulent mixing chamber. The rupture mitigating nozzle may include a first fluid collecting offset, a second fluid collecting offset, and a displacement damping projection. The displacement damping projection may be disposed between the first and second fluid collecting offset and may be offset away from each of the first fluid collecting offset and the second fluid collecting offset, and towards the fluid diffuser. A pressurized cleaning fluid introduced from the first fluid inlet, the second fluid inlet, or both flows through the outlet passage of the first and second fluid collecting offset.
    Type: Application
    Filed: July 20, 2011
    Publication date: January 24, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventors: Armen Avoyan, Cliff La Croix, Hong Shih
  • Patent number: 8335753
    Abstract: A modeling system enriched with information from a single source (or multiple sources) that allows for the intelligent extension, formulation or reformulation of a request into various processes including but not limited to transmission, discovery, notification, searching, filtering and storing processes is provided. The innovation builds a network of connected information in a specific domain (or group of domains). Additionally, the system enhances the quality and specificity of the results for queries made in various systems including, but not limited to, search engines.
    Type: Grant
    Filed: August 8, 2007
    Date of Patent: December 18, 2012
    Assignee: Microsoft Corporation
    Inventors: Alain Thierry Rappaport, Daniel Ryan Adamson, Leo Li-Hong Shih, Timothy Byung Choe
  • Patent number: 8313635
    Abstract: Bare aluminum baffles are adapted for resist stripping chambers and include an outer aluminum oxide layer, which can be a native aluminum oxide layer or a layer formed by chemically treating a new or used bare aluminum baffle to form a thin outer aluminum oxide layer.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: November 20, 2012
    Assignee: Lam Research Corporation
    Inventors: Fred D. Egley, Michael S. Kang, Anthony L. Chen, Jack Kuo, Hong Shih, Duane Outka, Bruno Morel
  • Patent number: 8310334
    Abstract: A surface mount resistor includes a resistance body, a first protective layer, a heat-transfer layer, a second protective layer and two electrode layers. The resistance body has a first end portion, a second end portion and a central portion between the first end portion and the second end portion. The first protective layer is disposed on the central portion of the resistance body, and the first end portion and the second end portion are exposed. The heat-transfer layer is plated on at least part of the resistance body. The second protective layer is disposed on at least part of the heat-transfer layer. The electrode layers are respectively arranged on the first end portion and the second end portion, and electrically connected with the heat-transfer layer.
    Type: Grant
    Filed: May 4, 2010
    Date of Patent: November 13, 2012
    Assignee: Cyntec, Co., Ltd.
    Inventors: Ching-Feng Chen, Kun-Hong Shih, Yen-Ting Lin, Yin-Tien Yeh
  • Patent number: 8291565
    Abstract: A bipolar electrostatic chuck refurbishing process in accordance with an aspect of the present invention does not require physical separation of the two electrodes of the electrostatic chuck. One aspect of the present invention is drawn to method of treating a bipolar electrostatic chuck having a front surface and a back surface and comprising a first electrode disposed at the front surface, a second electrode at the front surface and an anodized layer disposed on the front surface, the first electrode and the second electrode.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: October 23, 2012
    Assignee: Lam Research Corporation
    Inventor: Hong Shih
  • Patent number: 8292698
    Abstract: An on-line method of cleaning contaminants from at least one interior surface in plasma chambers comprises blasting one or more interior surfaces of a plasma chamber with dry ice to remove contaminants from the one or more surfaces.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: October 23, 2012
    Assignee: Lam Research Corporation
    Inventors: Hong Shih, Oana M. Leonte, John E. Daugherty, Tuochuan Huang, Gregory J. Goldspring, Michael C. May
  • Patent number: 8276604
    Abstract: In accordance with one embodiment of the present disclosure, an assembly is provided comprising a multi-component electrode and a peripherally engaging electrode carrier. The peripherally engaging electrode carrier comprises a carrier frame and a plurality of reciprocating electrode supports. The multi-component electrode is positioned in the electrode accommodating aperture of the carrier frame. The backing plate of the electrode comprises a plurality of mounting recesses formed about its periphery. The reciprocating electrode supports can be reciprocated into and out of the mounting recesses. Additional embodiments of broader and narrower scope are contemplated.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: October 2, 2012
    Assignee: Lam Research Corporation
    Inventors: Jason Augustino, Armen Avoyan, Yan Fang, Duane Outka, Hong Shih, Stephen Whitten
  • Patent number: 8276898
    Abstract: An electrode transporter is provided comprising a transporter frame, a plurality of transitional support elements, and a plurality of flipside support elements. The flipside support elements are configured to immobilize an electrode along a gravitational force vector normal to a major face of an electrode positioned in an electrode accommodating space defined by the transitional support elements and the flipside support elements. The transitional support elements are configured to transition back and forth from a secured state, where the electrode is further immobilized along an opposing force vector opposite the gravitational force vector, to an unsecured state where the electrode is relatively mobile along the opposing force vector. Additional embodiments relate to the use of a transporter tripod and an electrode removal puck and lifting fork to remove an electrode from the transporter frame.
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: October 2, 2012
    Assignee: Lam Research Corporation
    Inventors: Armen Avoyan, Hong Shih, Duane Outka
  • Patent number: 8221552
    Abstract: Methods of cleaning plasma processing chamber components include contacting surfaces of the components with a cleaning solution, while avoiding damage of other surfaces or areas of the components by the cleaning solution. An exemplary plasma processing chamber component to be cleaning is an elastomer bonded electrode assembly having a silicon member with a plasma-exposed silicon surface, a backing member, and an elastomer bonding material between the silicon surface and the backing member.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: July 17, 2012
    Assignee: Lam Research Corporation
    Inventors: Duane Outka, Jason Augustino, Armen Avoyan, Stephen Whitten, Hong Shih, Yan Fang
  • Patent number: 8216388
    Abstract: A method of extending storage time prior to cleaning a component of a plasma chamber is provided. The method comprises removing the component from the chamber, covering a thermal spray coating on the component while the surface is exposed to atmospheric air, storing the component, optionally removing the covering, and optionally wet cleaning reaction by-products from the thermal spray coating. Alternatively, instead of, or in addition to covering a thermal spray coating on the component, the component can be placed into a desiccator or dry-box.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: July 10, 2012
    Assignee: Lam Research Corporation
    Inventors: Hong Shih, Qian Fu, Tuochuan Huang, Raphael Casaes, Duane Outka
  • Patent number: 8215321
    Abstract: Methods of cleaning backing plates of electrode assemblies, or electrode assemblies including a backing plate and an electrode plate are provided. The methods can be used to clean backing plates and electrode plates made of various materials, such as silicon electrode plates and graphite and aluminum backing plates. The backing plates and electrode assemblies can be new, used or refurbished. A flushing fixture that can be used in the cleaning methods is also provided, the flushing fixture comprising a base plate comprising a recessed inner portion including and an upper surface configured to support the backing plate or the electrode assembly, and a cover plate configured to cover the base plate, the cover plate including at least one liquid passage through which a flushing liquid is introduced into an interior of the flushing fixture defined by the base plate and cover plate.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: July 10, 2012
    Assignee: Lam Research Corporation
    Inventors: Hong Shih, Yaobo Yin, Jason Augustino, Catherine Zhou, Armen Avoyan
  • Publication number: 20120153971
    Abstract: The present invention provides a reliable, non-invasive, electrical test method for predicting satisfactory performance of electrostatic chucks (ESCs). In accordance with an aspect of the present invention, a parameter, e.g., impedance, of an ESC is measured over a frequency band to generate a parameter functions. This parameter function may be used to establish predetermined acceptable limits of the parameter within the frequency band.
    Type: Application
    Filed: February 13, 2012
    Publication date: June 21, 2012
    Inventors: Hong Shih, Saurabh Ullal, Tuochuan Huang, Yan Fang, Jon McChesney
  • Publication number: 20120144640
    Abstract: A method of installing a component of a plasma processing chamber by replacing a used component with a component made by forming a dual-layer green body and co-sintering the dual-layer green body so as to form a three-layer component. The three layer component comprises an outer layer of yttria, an intermediate layer of YAG, and a second outer layer of alumina. The component is installed such that the outer layer of yttria is exposed to the plasma environment when the chamber is in operation.
    Type: Application
    Filed: December 13, 2011
    Publication date: June 14, 2012
    Applicant: Lam Research Corporation
    Inventors: Hong Shih, Duane Outka, Shenjian Liu, John Daugherty
  • Publication number: 20120138472
    Abstract: Methods of fabricating a chamber component capable of being exposed to a plasma in a process chamber includes: providing a component structure composed of metal; immersing the surface of the component structure in an electroplating bath comprising first metal electrolyte species and second metal electrolyte species; forming a cathode by connecting the component structure to a negative terminal of a voltage source; immersing in the electroplating bath, an anode comprising an inert material or material to be electroplated, and connecting the anode to a positive terminal of the voltage source; and electroplating a layer having a concentration gradient of the first metal, second metal, or both.
    Type: Application
    Filed: February 13, 2012
    Publication date: June 7, 2012
    Inventors: Nianci HAN, Li Xu, Hong Shih, Yang Zhang, Danny Lu, Jennifer Y. Sun
  • Publication number: 20120135155
    Abstract: A substrate processing chamber component comprising a chamber component structure having an yttrium-aluminum coating. The yttrium-aluminum coating comprises a compositional gradient through a thickness of the coating.
    Type: Application
    Filed: February 7, 2012
    Publication date: May 31, 2012
    Inventors: Nianci HAN, Li Xu, Hong Shih
  • Patent number: 8171877
    Abstract: A carrier assembly is provided comprising a backside mounted electrode carrier and electrode mounting hardware. The backside mounted electrode carrier comprises an electrode accommodating aperture, which in turn comprises a sidewall structure that is configured to limit lateral movement of an electrode positioned in the aperture. The electrode accommodating aperture further comprises one or more sidewall projections that support the weight of an electrode positioned in the aperture. The electrode mounting hardware is configured to engage an electrode positioned in the electrode accommodating aperture from the backside of the carrier and urge the electrode against the sidewall projections so as to limit axial movement of the electrode in the electrode accommodating aperture. Additional embodiments of broader and narrower scope are contemplated.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: May 8, 2012
    Assignee: Lam Research Corporation
    Inventors: Jason Augustino, Armen Avoyan, Yan Fang, Duane Outka, Hong Shih, Stephen Whitten