Patents by Inventor Henri M. Nier

Henri M. Nier 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).

  • Process for independent control of crown and camber for magnetic head slider
    Patent number: 5266769
    Abstract: A method for making a magnetic head slider comprising the steps of lapping the slider to form an air bearing surface, producing a chosen pattern of rails on the air bearing surface, and producing a chosen pattern of stress on the back side of the slider to remove the distortion produced in the slider by the lapping and rail formation steps. The stress pattern can be chosen to produce any desired range of crown and camber for the slider.
    Type: Grant
    Filed: February 25, 1992
    Date of Patent: November 30, 1993
    Assignee: International Business Machines Corporation
    Inventors: Annayya P. Deshpande, Randall T. Kerth, Henri M. Nier