Patents by Inventor Andrew Haerle

Andrew Haerle 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: 10640680
    Abstract: Described are chemical mechanical processing (CMP) compositions and related methods, including compositions and methods for polishing nickel-containing substrate surfaces such as nickel phosphorus (NiP) surfaces for hard disk applications, wherein the compositions contain highly irregular-shaped fused silica abrasive particles.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: May 5, 2020
    Assignee: Cabot Microelectronics Corporation
    Inventors: Lu Tian, Ke Zhang, Andrew Haerle, Hon Wu Lau
  • Publication number: 20180298234
    Abstract: Described are chemical mechanical processing (CMP) compositions and related methods, including compositions and methods for polishing nickel-containing substrate surfaces such as nickel phosphorus (NiP) surfaces for hard disk applications, wherein the compositions contain highly irregular-shaped fused silica abrasive particles.
    Type: Application
    Filed: April 12, 2018
    Publication date: October 18, 2018
    Inventors: Lu Tian, Ke Zhang, Andrew Haerle, Hon Wu Lau
  • Publication number: 20070084134
    Abstract: An abrasive particulate material is disclosed that includes alumina particles. The alumina particles include a transition alumina and at least 5.0 wt % of an amorphous phase. The transition alumina particles also have a density not greater than about 3.20 g/cm3.
    Type: Application
    Filed: October 14, 2005
    Publication date: April 19, 2007
    Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Jun Wang, Andrew Haerle
  • Publication number: 20070087667
    Abstract: A polishing slurry includes liquid medium and particulate abrasive.
    Type: Application
    Filed: September 29, 2006
    Publication date: April 19, 2007
    Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Ronald Laconto, Andrew Haerle
  • Patent number: 6403155
    Abstract: This invention is a high strength, thermal shock resistant, high purity siliconized silicon carbide material made from siliconizing a converted graphite SiC body having at least 71 vol % silicon carbide therein.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: June 11, 2002
    Assignee: Saint-Gobain Ceramics & Plastics, Inc.
    Inventors: Dominique Dubots, Andrew Haerle
  • Publication number: 20010003620
    Abstract: This invention is a high strength, thermal shock resistant, high purity siliconized silicon carbide material made from siliconizing a converted graphite SiC body having at least 71 vol % silicon carbide therein.
    Type: Application
    Filed: December 21, 2000
    Publication date: June 14, 2001
    Inventors: Dominique Dubots, Andrew Haerle
  • Patent number: 6162543
    Abstract: This invention relates to a siliconized silicon carbide-base composite comprising at least about 71 vol % converted-graphite SiC matrix having open porosity, wherein the open porosity of the matrix is essentially filled with silicon, and the composite has a total metallic impurity content of no more than 10 ppm.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: December 19, 2000
    Assignee: Saint-Gobain Industrial Ceramics, Inc.
    Inventors: Dominique Dubots, Andrew Haerle