Patents Assigned to Minnesota Mining and Manfacturing Co.
  • Patent number: 5733178
    Abstract: A method for texturing magnetic recording media substrates using a structured abrasive article including a flexible backing having a major surface and an abrasive coating, the abrasive coating attached to and at least substantially covering the entire total surface area of the major surface, where the abrasive coating includes a plurality of precisely-shaped three-dimensional abrasive composites, and the composites comprise a plurality of abrasive particles dispersed in a binder, which binder provides the means of attachment of the composites to the backing.
    Type: Grant
    Filed: October 17, 1996
    Date of Patent: March 31, 1998
    Assignee: Minnesota Mining and Manfacturing Co.
    Inventor: Michihiro Ohishi