Patents by Inventor Krishna Bahadur Chetry

Krishna Bahadur Chetry 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).

  • Patent number: 10037770
    Abstract: A method provides a magnetic write apparatus. The method includes providing a pole including a pole tip, a yoke, a pole bottom and a pole top. The pole is seam free and formed vertically in a direction from the pole bottom toward the pole top. At least one coil for energizing the pole is also provided. In some aspects, providing the pole may include removing a portion of an intermediate layer to form a trench therein. The trench has a shape and location corresponding to the pole, a bottom, a top and sides. A conductive layer is deposited in the trench and on a top surface of the intermediate layer. Insulating layer(s) are provided on the sides of the trench. Only part of the conductive layer on the trench bottom is exposed. Pole material(s) are grown on the exposed portion of the conductive layer to provide the pole.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: July 31, 2018
    Assignee: Western Digital (Fremont), LLC
    Inventors: Krishna Bahadur Chetry, Ming Sun, Jinqiu Zhang