Patents by Inventor Victor K. F. Dunn

Victor K. F. Dunn 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).

  • System for manufacturing a group of head gimbal assemblies (HGAs)
    Patent number: 7918013
    Abstract: A system and method for the production level screening of low flying magnetic heads in the manufacture of disk drive head disk assemblies (HDAs) is disclosed. A test disk is provided and has a plurality of bumps extending from at least one surface thereof to a predetermined height between 2 and 12 nanometers. The test disk is rotated to fly a head of a head gimbal assembly selected from the group adjacent the surface of the test disk. An interaction of the head with one or more of the plurality of bumps may be sensed and the head gimbal assembly may be screened out from the group in response to the sensing of the interaction.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: April 5, 2011
    Assignee: Western Digital (Fremont), LLC
    Inventors: Victor K. F. Dunn, Ciuter Chang
  • Method for manufacturing a group of head gimbal assemblies
    Patent number: 7363697
    Abstract: A system and method for the production level screening of low flying magnetic heads in the manufacture of disk drive head disk assemblies (HDAs) is disclosed. A test disk is provided and has a plurality of bumps extending from at least one surface thereof. The test disk is rotated to fly a head of a head gimbal assembly selected from the group adjacent the surface of the test disk. An interaction of the head with one or more of the plurality of bumps may be sensed and the head gimbal assembly may be screened out from the group in response to the sensing of the interaction.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: April 29, 2008
    Assignee: Western Digital (Fremont), LLC
    Inventors: Victor K. F. Dunn, Ciuter Chang