Patents Represented by Attorney, Agent or Law Firm Kristi L. Davidson
  • Lanthanide oxide dissolution from glass surface
    Patent number: 6402851
    Abstract: A method and product for computer disk drives. Glass substrates are provided having low content of residual polishing particles on the surfaces thereof. An exemplary method includes reduction of residual polishing particle content by immersion of the glass substrate in an acid bath containing nitric acid, hydrogen peroxide and an organic acid having a carboxylic acid group.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: June 11, 2002
    Assignee: International Business Machines Corporation
    Inventor: Douglas Howard Piltingsrud