Patents by Inventor Erik J. Lindquist

Erik 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).

  • Methods and devices for detecting shock events
    Patent number: 9905273
    Abstract: An apparatus includes an actuator assembly, a dampening assembly coupled to the actuator assembly, and a vibration sensor assembly coupled to the dampening assembly and coupled to the actuator assembly by way of the dampening assembly. A method includes attaching a dampening assembly to an actuator assembly and attaching a vibration sensor assembly to the dampening assembly. The dampening assembly is positioned between the vibration sensor assembly and the actuator assembly.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: February 27, 2018
    Assignee: Seagate Technology LLC
    Inventors: Antanas Daugela, Neal F. Gunderson, Reed D. Hanson, Ricardo P. Freeman, Andrew R. Motzko, Erik J. Lindquist
  • METHODS AND DEVICES FOR DETECTING SHOCK EVENTS
    Publication number: 20170309312
    Abstract: An apparatus includes an actuator assembly, a dampening assembly coupled to the actuator assembly, and a vibration sensor assembly coupled to the dampening assembly and coupled to the actuator assembly by way of the dampening assembly. A method includes attaching a dampening assembly to an actuator assembly and attaching a vibration sensor assembly to the dampening assembly. The dampening assembly is positioned between the vibration sensor assembly and the actuator assembly.
    Type: Application
    Filed: April 26, 2016
    Publication date: October 26, 2017
    Inventors: Antanas Daugela, Neal F. Gunderson, Reed D. Hanson, Ricardo P. Freeman, Andrew R. Motzko, Erik J. Lindquist
  • HEAD-DISC INTERFACE (HDI) MODAL RESPONSE MONITORING
    Publication number: 20090015962
    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: Application
    Filed: July 11, 2007
    Publication date: January 15, 2009
    Applicant: Seagate Technology LLC
    Inventors: ANTANAS DAUGELA, Subra Nagarajan, Jason W. Riddering, Neal F. Gunderson, John S. Wright, Stefan A. Ionescu, Rick P. Freeman, Erik J. Lindquist, Andrew R. Motzko, Zine Eddine Boutaghou
  • Method and apparatus for flex circuit reflow attachment
    Publication number: 20020033411
    Abstract: A flex circuit apparatus for a disc drive is provided and is configured to limit a collapse of a chip during a reflow attachment of the chip to a flex circuit substrate. The apparatus includes a connection pad and a trace operably disposed on an operating surface of the flex circuit substrate. The trace is adjacently and operably connected to the connection pad. A barrier crosses the trace and is configured to limit a flow of material down the trace. In another embodiment, a method for limiting a collapse of a chip during reflow attachment of the chip to a flex circuit substrate is provided.
    Type: Application
    Filed: June 28, 2001
    Publication date: March 21, 2002
    Inventors: Michael J. Peterson, Robert M. Echols, Erik J. Lindquist, Darryl W. Leslie