Patents by Inventor Xu Ouyang

Xu Ouyang 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: 7676775
    Abstract: A method for determining the root causes of fail patterns in integrated circuit chips is provide wherein a known integrated circuit chip layout is used to identify a plurality of potential defects and a plurality of potential fail patterns in the integrated circuit chip. Correlations between the potential defects and the potential fail patterns that result from those defects are identified. Based on this identification, the potential fail patterns are grouped by common potential defect. An actual integrated circuit chip that is manufactured in accordance with the test layout is tested for failure patterns. These failure patterns are then compared to the groupings of potential fail patterns. When a match is found, that is when a given group of fail patterns is found in the actual integrated circuit chip, then the potential defect associated with the potential fail patterns to which the actual fail patterns are matched is identified. This defect is the root cause of the failure pattern in the actual chip.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: March 9, 2010
    Assignee: International Business Machines Corporation
    Inventors: Howard Chen, Katherine V. Hawkins, Fook-Luen Heng, Louis Hsu, Xu Ouyang
  • Publication number: 20090317924
    Abstract: A method for increasing overall yield in semiconductor manufacturing including routing wafers or wafer lots based on process variation data obtained from the wafers or wafer lots and on process variation data obtained from tools processing the wafers or wafer lots. A system for increasing overall yield in semiconductor manufacturing includes a module for routing wafers or wafer lots based on process variation data obtained from the wafers or wafer lots and on process variation data obtained from the tools processing the wafers or wafer lots.
    Type: Application
    Filed: June 24, 2008
    Publication date: December 24, 2009
    Applicant: International Business Machines Corporation
    Inventors: Xu Ouyang, Oleg Gluschenkov, Yunsheng Song, Keith Kwong Hon Wong
  • Publication number: 20090319074
    Abstract: A method for increasing overall yield in semiconductor manufacturing including routing wafers or wafer lots from tool to tool in a manner which at least partially neutralizes or compensates for processing variations. A system for increasing overall yield in semiconductor manufacturing includes a module for recording processing data from plural first and second types of tools and a module for routing wafers or wafer lots from tools of the first type of tools to tools of the second type of tools so as to at least partially neutralizes or compensate for processing variation.
    Type: Application
    Filed: June 23, 2008
    Publication date: December 24, 2009
    Applicant: International Business Machines Corporation
    Inventors: Keith Kwong Hon Wong, Xu Ouyang, Yunsheng Song
  • Publication number: 20090305472
    Abstract: A semiconductor device includes a semiconductor material having two crystal orientations. The semiconductor material forms an active area of the device. A device channel is formed on the two crystal orientations, which include a first region formed in a first crystal orientation surface of the semiconductor material, and a second region formed in a second crystal orientation surface of the semiconductor material wherein the first crystal orientation surface forms an angle with the second crystal orientation surface and the device channel covers at least an intersection of the angle.
    Type: Application
    Filed: August 19, 2009
    Publication date: December 10, 2009
    Inventors: Louis C. Hsu, Rajiv V. Joshi, Xu Ouyang
  • Publication number: 20090306807
    Abstract: A method for optimizing multiple process windows in a semiconductor manufacturing process is disclosed. The message comprises performing dependent variable composition on a plurality of dependent variables. Metrology data is joined with the dependent variables, and then a partial least squares regression is performed on the joined data set to obtain a prediction equation, and a variable importance prediction for each process window in a process window set. A set of product limited yield are derived, and the process window set is adjusted, and the yields recalculated, until an optimal process window set is derived.
    Type: Application
    Filed: June 9, 2008
    Publication date: December 10, 2009
    Applicant: International Business Machines Corporation
    Inventors: Yunsheng Song, Xu Ouyang, James P. Rice
  • Publication number: 20090299679
    Abstract: A method for identifying potentially defective integrated circuit chips and excluding them from future testing as wafers move through a manufacturing line The method includes data-collecting steps, tagging the chips on wafers identified as potentially bad chips based on information collected as the wafer moves down the fabrication line, evaluating test cost savings by eliminating any further tests on the tagged chips preferably using a test cost database. Considering all the future tests to be preformed, the tagged chips are skipped if it is determined that the test cost saving is significant. Tagging bad chips is based on various criteria and models which are dynamically adjusted by performing the wafer final test on samples of the tagged chips and feeding-back the final test results. The dynamic adaptive adjustment method preferably includes a feedback loop or iterative process to evaluate financial tradeoffs when assessing the profit of salvaging chips against the additional test costs.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 3, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: RAO H. DESINENI, XU OUYANG, HARGURPREET SINGH, YUNSHENG SONG, STEPHEN WU
  • Publication number: 20090290401
    Abstract: A method for laying out process dummy cells in relationship to inside memory cells of a memory array includes (a) calculating an initial process performance parameter for the memory array; (b) changing dummy cell layout configuration for a layer electrically connected to inside cells; (c) applying lithographic simulation and yield model for both the inside memory cells and the changed layout configuration process dummy cells; and (d) repeating steps (b) and (c) until yield is maximized. Checks may be performed to ensure that there is enough room to make the change and that there is no significant adverse effect to neighboring circuits. The process performance parameter may be yield or a process window for the inside memory cells.
    Type: Application
    Filed: May 21, 2008
    Publication date: November 26, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Xu Ouyang, Geng Han, Lars W. Liebmann
  • Publication number: 20090258187
    Abstract: The invention is directed to a method of protecting a glass surface during transportation and/or process using an aqueous solution of an acrylic material to protectively coat the surface of the glass sheet. The acrylic protective coating may be applied by dipping, roller applying or spraying the coating on the glass. The coating is then cured, dried or baked in an oven. Subsequently, the glass sheet may be scored and separated into individual glass article blanks for further processing; for example, edge grinding to produce smooth edges and drilling/milling to produce openings such as holes in the surface of the glass. When processing of the glass article is completed, the protective coating can be removed or the article can be shipped to the end used who can remove the coating using an aqueous solution of pH?12 to remove the coating.
    Type: Application
    Filed: April 6, 2009
    Publication date: October 15, 2009
    Inventors: Michael Donavon Brady, Mike Xu Ouyang, Yale Pan, Robert Sabia, Yawei Sun, David Alan Tammaro, Qing Ya Wang
  • Publication number: 20090200598
    Abstract: A flash memory structure having an enhanced capacitive coupling coefficient ratio (CCCR) may be fabricated in a self-aligned manner while using a semiconductor substrate that has an active region that is recessed within an aperture with respect to an isolation region that surrounds the active region. The flash memory structure includes a floating gate that does not rise above the isolation region, and that preferably consists of a single layer that has a U shape. The U shape facilitates the enhanced capacitive coupling coefficient ratio.
    Type: Application
    Filed: February 7, 2008
    Publication date: August 13, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Louis C. Hsu, Xu Ouyang, Ping-Chuan Wang, Zhijian J. Yang
  • Publication number: 20090197048
    Abstract: An alkali aluminosilicate glass article, said alkali aluminosilicate glass having a surface compressive stress of at least about 200 MPa, a surface compressive layer having a depth of at least about 30 ?m, a thickness of at least about 0.3 mm and an amphiphobic fluorine-based surface layer chemically bonded to the surface of the glass. In one embodiment the glass has an anti-reflective coating applied to one surface of the glass between the chemically strengthened surface of the glass and the amphiphobic coating. In another embodiment the surface of the chemically strengthened glass is acid treated using a selected acid (e.g., HCL, H2SO4, HClO4, acetic acid and other acids as described) prior to placement of the amphiphobic coating or the anti-reflective coating.
    Type: Application
    Filed: February 5, 2009
    Publication date: August 6, 2009
    Inventors: Jaymin Amin, Adra Smith Baca, Lorrie Foley Beall, Robert Alan Bellman, Mike Xu Ouyang, Robert Sabia
  • Publication number: 20090175068
    Abstract: An SRAM device comprising a pair of MCSFETs connected as access transistors (pass gates). An SRAM device design structure embodied or stored in a machine readable medium includes two MCSFETs connected as access transistors.
    Type: Application
    Filed: January 7, 2008
    Publication date: July 9, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Xu Ouyang, Louis C. Hsu
  • Publication number: 20090150811
    Abstract: Excluding variations attributable to equipment from split analysis is performed by identifying dependent variables related to at least one of the split analysis or an experiment to be performed. A test is performed to ascertain whether or not a variation attributable to equipment exists with respect to any of the identified dependent variables. If such a variation exists, a target data set and a training data set are constructed. A signature is identified for the variation. A statistical model is selected based upon the identified signature. The selected statistical model is constructed using the training data set to generate a statistical output. The target data set is joined with the statistical output. The identified dependent variables in the target data set are adjusted using the statistical output. The target data set including the adjusted identified dependent variables is loaded to an application for performing split analysis.
    Type: Application
    Filed: December 10, 2007
    Publication date: June 11, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Xu Ouyang, Yunsheng Song
  • Patent number: 7515502
    Abstract: A method for using photolithographic dummy memory cells arranged in rings around a set of primary memory cells as test structures and as redundant memory cells. Also circuits and structures of memory arrays having multiple-use dummy memory cells.
    Type: Grant
    Filed: September 18, 2007
    Date of Patent: April 7, 2009
    Assignee: International Business Machines Corporation
    Inventors: Ishtiaq Ahsan, Louis Lu-Chen Hsu, Xu Ouyang
  • Publication number: 20090073796
    Abstract: A method for using photolithographic dummy memory cells arranged in rings around a set of primary memory cells as test structures and as redundant memory cells. Also circuits and structures of memory arrays having multiple-use dummy memory cells.
    Type: Application
    Filed: September 18, 2007
    Publication date: March 19, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Ishtiaq Ahsan, Louis Lu-Chen Hsu, Xu Ouyang
  • Publication number: 20080301597
    Abstract: A method for determining the root causes of fail patterns in integrated circuit chips is provide wherein a known integrated circuit chip layout is used to identify a plurality of potential defects and a plurality of potential fail patterns in the integrated circuit chip. Correlations between the potential defects and the potential fail patterns that result from those defects are identified. Based on this identification, the potential fail patterns are grouped by common potential defect. An actual integrated circuit chip that is manufactured in accordance with the test layout is tested for failure patterns. These failure patterns are then compared to the groupings of potential fail patterns. When a match is found, that is when a given group of fail patterns is found in the actual integrated circuit chip, then the potential defect associated with the potential fail patterns to which the actual fail patterns are matched is identified. This defect is the root cause of the failure pattern in the actual chip.
    Type: Application
    Filed: May 29, 2007
    Publication date: December 4, 2008
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Howard Chen, Katherine V. Hawkins, Fook-Luen Heng, Louis Hsu, Xu Ouyang
  • Publication number: 20080286888
    Abstract: Test structures for detecting defects arising from hybrid orientation technology (HOT) through detection of device leakage (gate leakage, junction leakage, and sub-threshold leakage), having at least one active region disposed in a re-grown region of a substrate: a layer of oxide; a layer of poly. Some test structures are dog-bone shaped test structure, tower shaped test structure, and inside-hole shaped. A method for detecting HOT defects involves measuring defect size and location in terms of device leakage, such as gate leakage, junction leakage, and sub-threshold leakage. HOT edge defect density and edge defect size distribution may be calculated, and the resulting defect information may be used to calibrate a defect yield model.
    Type: Application
    Filed: May 18, 2007
    Publication date: November 20, 2008
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Louis Lu-Chen Hsu, Byeong Yeol Kim, Xu Ouyang
  • Publication number: 20080220280
    Abstract: A semiconductor device includes a semiconductor material having two crystal orientations. The semiconductor material forms an active area of the device. A device channel is formed on the two crystal orientations, which include a first region formed in a first crystal orientation surface of the semiconductor material, and a second region formed in a second crystal orientation surface of the semiconductor material wherein the first crystal orientation surface forms an angle with the second crystal orientation surface and the device channel covers at least an intersection of the angle.
    Type: Application
    Filed: March 6, 2007
    Publication date: September 11, 2008
    Inventors: Louis C. Hsu, Rajiv V. Joshi, Xu Ouyang
  • Patent number: 7405880
    Abstract: In one aspect, the invention features articles that include a substrate having a first surface and a second surface contiguous with the first surface. The first and second surfaces are non-coplanar. A first multilayer film is disposed on the first surface. A second multilayer film is disposed on the second surface. The second multilayer film is contiguous with the first multilayer film.
    Type: Grant
    Filed: May 10, 2004
    Date of Patent: July 29, 2008
    Assignee: API Nanofabrication and Research Corporation
    Inventors: Anguel N. Nikolov, Jian Jim Wang, Xu Ouyang, Feng Liu, Jiangdong Deng, Xuegong Deng, Greg E. Blonder, Ronnie Paul Varghese
  • Patent number: 7348193
    Abstract: The invention is directed to a hermetically sealed device and a method for making such device. The device includes optical, micro-electromechanical, electronic and opto-electronic devices, having a substrate with one or a plurality of optical, opto-electronic, electronic or micro-electromechanical (“MEMS”) elements either singly or in combination that are located on a substrate; a covering having a top part and an extension extending a distance from the top part from the top part, an adhesive that is used to bond the extension portion of the covering to the substrate; and a sealing agent for hermetically sealing the area where the covering extension is bonded to the substrate. In the method of the invention the sealing agent is applied using atomic layer deposition techniques.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: March 25, 2008
    Assignee: Corning Incorporated
    Inventor: Mike Xu Ouyang
  • Patent number: 7142375
    Abstract: Films for optical use, articles containing such films, methods for making such films, and systems that utilize such films, are disclosed.
    Type: Grant
    Filed: May 10, 2004
    Date of Patent: November 28, 2006
    Assignee: NanoOpto Corporation
    Inventors: Anguel N. Nikolov, Jian Jim Wang, Xu Ouyang, Feng Liu, Jiangdong Deng, Xuegong Deng, Greg E. Bionder, Ronnie Paul Varghese