Patents by Inventor Kyle E. Ballantine

Kyle E. Ballantine 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).

  • Method and system for reducing undesirable reflections in a HAMR write apparatus
    Patent number: 9484051
    Abstract: A heat-assisted magnetic recording (HAMR) write apparatus is coupled with a laser that provides energy. The HAMR write apparatus includes a pole, at least one coil, a waveguide, a near-field transducer (NFT) and at least one antireflective mechanism. The pole writes to a region of the media and includes a media-facing surface. The coil(s) energize the pole. The waveguide is optically coupled with the laser and includes a core and cladding. The waveguide is for directing a portion of the energy toward the NFT, which is located in a transmission direction from the core of the waveguide. The antireflective mechanism(s) are in at least one of a first position in the waveguide, a second position in the NFT and a third position between the waveguide and the NFT.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: November 1, 2016
    Assignees: THE PROVOST, FELLOWS, FOUNDATION SCHOLARS AND THE OTHER MEMBERS OF BOARD, OF THE COLLEGE OF THE HOLY AND UNDIVIDED TRINITY OF QUEEN ELIZABETH NEAR DUBLIN, WESTERN DIGITAL TECHNOLOGIES, INC.
    Inventors: Alexander Krichevsky, Christopher B. Wolf, Frank D. Bello, Kyle E. Ballantine, John Donegan, David Michael Owen McCloskey