Patents by Inventor Celia E. Yeack-Scranton, deceased

Celia E. Yeack-Scranton, deceased 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).

  • Suspension bent by stressed patch
    Patent number: 6049443
    Abstract: The present invention provides a prebent ceramic suspension which includes a ceramic load beam which is bent by a stress patch. With thin film techniques the stress patch is formed on top of the load beam. In the preferred embodiment the patch is amorphous hydrogenated diamond-like carbon. When the suspension is on a wafer the carbon patch exerts a compressive stress on a top surface of the load beam just under the patch. When the suspension is released from the wafer the compressive patch exerts tensile forces on the top surface of the load beam causing an end of the load beam to bend toward the wafer. The amount of bending of the suspension can be accurately controlled by the cross sections of the load beam and the patch as well as the lateral dimensions of the patch. Further control can be achieved by controlling the hydrogen, nitrogen and other additive components of the carbon patch.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: April 11, 2000
    Assignee: International Business Machines Corporation
    Inventors: Alfred Grill, Michael Anthony Moser, Vishnubhai Vitthalbhai Patel, Clinton David Snyder, Celia E. Yeack-Scranton, deceased
  • Ceramic suspension bent by stressed patch
    Patent number: 5963397
    Abstract: The present invention provides a prebent ceramic suspension which includes a ceramic load beam which is bent by a stress patch. With thin film techniques the stress patch is formed on top of the load beam. In the preferred embodiment the patch is amorphous hydrogenated diamond-like carbon. When the suspension is on a wafer the carbon patch exerts a compressive stress on a top surface of the load beam just under the patch. When the suspension is released from the wafer the compressive patch exerts tensile forces on the top surface of the load beam causing an end of the load beam to bend toward the wafer. The amount of bending of the suspension can be accurately controlled by the cross sections of the load beam and the patch as well as the lateral dimensions of the patch. Further control can be achieved by controlling the hydrogen, nitrogen and other additive components of the carbon patch.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: October 5, 1999
    Assignee: International Business Machines Corporation
    Inventors: Alfred Grill, Michael Anthony Moser, Vishnubhai Vitthalbhai Patel, Clinton David Snyder, Celia E. Yeack-Scranton, deceased
  • Prebent ceramic suspension
    Patent number: 5663854
    Abstract: The present invention provides a prebent ceramic suspension which includes a ceramic load beam which is bent by a stress patch. With thin film techniques the stress patch is formed on top of the load beam. In the preferred embodiment the patch is amorphous hydrogenated diamond-like carbon. When the suspension is on a wafer the carbon patch exerts a compressive stress on a top surface of the load beam just under the patch. When the suspension is released from the wafer the compressive patch exerts tensile forces on the top surface of the load beam causing an end of the load beam to bend toward the wafer. The amount of bending of the suspension can be accurately controlled by the cross sections of the load beam and the patch as well as the lateral dimensions of the patch. Further control can be achieved by controlling the hydrogen, nitrogen and other additive components of the carbon patch.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 2, 1997
    Assignee: International Business Machines Corporation
    Inventors: Alfred Grill, Michael Anthony Moser, Vishnubhai Vitthalbhai Patel, Clinton Davis Snyder, Celia E. Yeack-Scranton, deceased