Patents Represented by Attorney Robert D. Martin

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  • Dual etch step process for making a three etch depth air bearing slider
    Patent number: 6004472
    Abstract: A dual etch process for forming an air bearing slider design with three etch depths. For one embodiment the first etch forms the leading and trailing step regions and the second etch forms the lateral step regions. The combination of the first and second etches form the negative pressure region.
    Type: Grant
    Filed: May 14, 1997
    Date of Patent: December 21, 1999
    Assignee: International Business Machines Corporation
    Inventors: Lee Kevin Dorius, Sanford Anthony Bolasna