Patents by Inventor Chongwon Byun

Chongwon Byun 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).

  • Publication number: 20120206137
    Abstract: A monolithic tri-axis anisotropic magnetoresistive (AMR) sensor and the method of manufacturing of the AMR sensor are presented. In one embodiment, the monolithic tri-axis AMR sensor includes (a) a substrate, (b) a first horizontal direction sensor disposed on the substrate, (c) a second horizontal direction sensor disposed on the substrate, (d) a third horizontal direction sensor disposed on the substrate, and (e) a flux concentrator disposed on the third horizontal direction sensor, wherein the flux concentrator is in cooperation with the third horizontal direction sensor to realize a function of a Z-axis sensor, such that the Z-axis direction can be effectively measured. The integration of the tri-axis AMR sensor is therefore accomplished. In addition, the integrated tri-axis AMR sensor has low production cost and improved reliability.
    Type: Application
    Filed: July 29, 2011
    Publication date: August 16, 2012
    Applicant: MEMSIC, INC.
    Inventors: Yongyao Cai, Chongwon Byun, Yang Zhao, Leyue Jiang
  • Patent number: 5232570
    Abstract: A hard protective material and method for forming the medium having the formula C.sub.x N.sub.y. The medium may be formed as a protective film on a magnetic recording disk in a sputtering apparatus such as a magnetron apparatus. The amount of nitrogen in the film may be affected by controlling the collisions of the sputtered material between the target and deposition substrate by controlling the bombardment of the substrate by electrons. The films exhibit properties indicative of a textured morphology on a nanoscale which enhances the retention of lubricant overcoats.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: August 3, 1993
    Assignee: Digital Equipment Corporation
    Inventors: William G. Haines, Chongwon Byun, Earl Johns, Quock Ng, Durga Ravipati, Robert M. Raymond, Gary C. Rauch