Patents by Inventor Erick J. Lindquist

Erick J. Lindquist 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).

  • Head-disc interface (HDI) modal response monitoring
    Patent number: 7742255
    Abstract: Apparatus and method for head-disc interface (HDI) modal response monitoring. A sensing element disposed on a rigid actuator arm is mechanically impedance matched to a head-disc interface (HDI) supported by the actuator arm to resonate at a predetermined frequency corresponding to at least one disturbance associated with the HDI.
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: June 22, 2010
    Assignee: Seagate Technology LLC
    Inventors: Antanas Daugela, Subra Nagarajan, Jason W. Riddering, Neal F. Gunderson, John S. Wright, Stefan A. Ionescu, Rick P. Freeman, Erick J. Lindquist, Andrew R. Motzko, Zine Eddine Boutaghou