Patents by Inventor Fred Sun

Fred Sun 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: 10100272
    Abstract: The invention provides a composition for cleaning contaminants from semiconductor wafers following chemical-mechanical polishing. The cleaning composition contains a bulky protecting ligand, an organic amine, an organic inhibitor, and water. The invention also provides methods for using the cleaning composition.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: October 16, 2018
    Assignee: Cabot Microelectronics Corporation
    Inventors: Roman Ivanov, Cheng-yuan Ko, Fred Sun
  • Patent number: 9828574
    Abstract: The invention provides a composition for cleaning contaminants from semiconductor wafers following chemical-mechanical polishing. The cleaning composition contains one or more quaternary ammonium hydroxides, one or more organic amines, one or more metal inhibitors, and water. The invention also provides methods for using the cleaning composition.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: November 28, 2017
    Assignee: Cabot Microelectronics Corporation
    Inventors: Roman Ivanov, Fernando Hung, Cheng-Yuan Ko, Fred Sun
  • Publication number: 20170158992
    Abstract: The invention provides a composition for cleaning contaminants from semiconductor wafers following chemical-mechanical polishing. The cleaning composition contains a bulky protecting ligand, an organic amine, an organic inhibitor, and water. The invention also provides methods for using the cleaning composition.
    Type: Application
    Filed: July 17, 2015
    Publication date: June 8, 2017
    Inventors: Roman IVANOV, Cheng-yuan KO, Fred SUN
  • Publication number: 20170158993
    Abstract: The invention provides stabilized solutions useful as raw materials in various applications and methods for stabilizing such aqueous solutions with a stabilizer comprising one or more dialkylhydroxylamines or inorganic or organic acid salts thereof. Stabilized solutions and methods for stabilizing aqueous solutions thereof, include, for example, those of tris(2-hydroxy ethyl)methylammonium hydroxide (THEMAH) and/or carbohydrazide (CHZ).
    Type: Application
    Filed: July 17, 2015
    Publication date: June 8, 2017
    Applicant: Cabot Microelectronics Corporation
    Inventors: Roman IVANOV, Cheng-Yuan KO, Fred SUN
  • Publication number: 20160201016
    Abstract: The invention provides a composition for cleaning contaminants from semiconductor wafers following chemical-mechanical polishing. The cleaning composition contains one or more quaternary ammonium hydroxides, one or more organic amines, one or more metal inhibitors, and water. The invention also provides methods for using the cleaning composition.
    Type: Application
    Filed: January 12, 2016
    Publication date: July 14, 2016
    Inventors: Roman Ivanov, Fernando Hung, Cheng-Yuan Ko, Fred Sun
  • Publication number: 20110014858
    Abstract: The present invention provides polishing pads for use in CMP processes. In one embodiment, a pad comprises a surface defining a plurality of grooves with landing surfaces separating the grooves, the landing surfaces together defining a substantially coplanar polishing surface, each groove having a depth of at least about 10 mil and a width, WG, with any two adjacent grooves being separated from each other a landing surface having a width, WL, wherein the quotient WL/WG is less than or equal to 3. In a preferred embodiment, the surface of the pad defines a series of concentric substantially circular grooves. In an alternative embodiment, the surface of the pad defines a spiral groove having a depth of at least about 10 mil and a width WG, and a spiral landing surface outlining spiral groove the having a width, WL, wherein the spiral landing surface defines a substantially coplanar polishing surface and the quotient WL/WG is less than or equal to 3.
    Type: Application
    Filed: July 16, 2010
    Publication date: January 20, 2011
    Inventors: Ching-Ming TSAI, Fred Sun, Sheng-Huan Liu, Jia-Cheng Hsu, Ananth Naman, Hao-Kuang Chiu, Dinesh Khanna
  • Publication number: 20070190789
    Abstract: The present invention provides chemical-mechanical polishing (CMP) compositions and methods for polishing an ITO surface. The compositions of the invention comprise a particulate zirconium oxide or colloidal silica abrasive, which has a mean particle size of not more than about 150 nm, suspended in an aqueous carrier, which preferably has a pH of not more than about 5. Preferably, the abrasive has a surface area in the range of about 40 to about 220 m2/g. The CMP compositions of the invention provide an acceptably low surface roughness when used to polish an ITO surface, providing clean and uniform surfaces.
    Type: Application
    Filed: February 14, 2007
    Publication date: August 16, 2007
    Inventors: Phillip Carter, Nevin Naguib, Fred Sun
  • Publication number: 20060278614
    Abstract: A chemical-mechanical polishing composition comprising abrasive particles, a hydroxyquinoline, and a diamine compound comprising an ether group, and a method of chemically-mechanically polishing a substrate with the aforementioned polishing composition.
    Type: Application
    Filed: June 8, 2005
    Publication date: December 14, 2006
    Applicant: Cabot Microelectronics Corporation
    Inventors: Yuchun Wang, Fred Sun, Joseph Hawkins
  • Patent number: 7021993
    Abstract: The invention provides a method of polishing a substrate comprising (i) contacting a substrate with a polishing system comprising (a) an abrasive, a polishing pad, a means for oxidizing a substrate, or any combination thereof, (b) a conducting polymer having an electrical conductivity of about 10?10 S/cm to about 106 S/cm, and (c) a liquid carrier, and (ii) abrading or removing at least a portion of the substrate to polish the substrate.
    Type: Grant
    Filed: July 19, 2002
    Date of Patent: April 4, 2006
    Assignee: Cabot Microelectronics Corporation
    Inventors: Jian Zhang, Fred Sun, Shumin Wang, Isaac K. Cherian, Eric H. Klingenberg
  • Publication number: 20050150598
    Abstract: The invention provides a polishing system and method of its use comprising (a) a liquid carrier, (b) a polymer having a degree of branching of about 50% or greater, and (c) a polishing pad, an abrasive, or a combination thereof.
    Type: Application
    Filed: January 9, 2004
    Publication date: July 14, 2005
    Applicant: Cabot Microelectronics Corporation
    Inventors: Kevin Moeggenborg, Fred Sun
  • Patent number: 6811474
    Abstract: The invention provides a polishing system comprising (a) an abrasive, a polishing pad, a means for oxidizing a substrate, or any combination thereof, (b) a conducting polymer having an electrical conductivity of about 10−10 S/cm to about 106 S/cm, and (c) a liquid carrier.
    Type: Grant
    Filed: July 19, 2002
    Date of Patent: November 2, 2004
    Assignee: Cabot Microelectronics Corporation
    Inventors: Isaac K. Cherian, Jian Zhang, Fred Sun, Shumin Wang, Eric H. Klingenberg
  • Publication number: 20040014398
    Abstract: The invention provides a method of polishing a substrate comprising (i) contacting a substrate with a polishing system comprising (a) an abrasive, a polishing pad, a means for oxidizing a substrate, or any combination thereof, (b) a conducting polymer having an electrical conductivity of about 10−10 S/cm to about 106 S/cm, and (c) a liquid carrier, and (ii) abrading or removing at least a portion of the substrate to polish the substrate.
    Type: Application
    Filed: July 19, 2002
    Publication date: January 22, 2004
    Applicant: Cabot Microelectronics Corporation
    Inventors: Jian Zhang, Fred Sun, Shumin Wang, Isaac K. Cherian, Eric H. Klingenberg
  • Publication number: 20040014400
    Abstract: The invention provides a polishing system comprising (a) an abrasive, a polishing pad, a means for oxidizing a substrate, or any combination thereof, (b) a conducting polymer having an electrical conductivity of about 10−10 S/cm to about 106 S/cm, and (c) a liquid carrier.
    Type: Application
    Filed: July 19, 2002
    Publication date: January 22, 2004
    Applicant: Cabot Microelectronics Corporation
    Inventors: Isaac K. Cherian, Jian Zhang, Fred Sun, Shumin Wang, Eric H. Klingenberg