Patents by Inventor Christopher Ng

Christopher Ng 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 of fabricating a tunneling magnetoresistive (TMR) reader
    Patent number: 8336194
    Abstract: A method of fabricating a tunneling magnetoresistance (TMR) reader is disclosed. A TMR structure comprising at least one ferromagnetic layer and at least one nonmagnetic insulating layer is provided. A first thermal annealing process on the TMR structure is performed. A reader pattern definition process performed on the TMR structure to obtain a patterned TMR reader. A second thermal annealing process is performed on the patterned TMR reader.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: December 25, 2012
    Assignee: Western Digital (Fremont), LLC
    Inventors: Lu Yuan, Jian X. Shen, Geoffrey W. Anderson, Christopher Ng
  • METHOD TO IMPROVE READER STABILITY AND WRITER OVERWRITE BY PATTERNED WAFER ANNEALING
    Publication number: 20110102949
    Abstract: A method of fabricating a tunneling magnetoresistance (TMR) reader is disclosed. A TMR structure comprising at least one ferromagnetic layer and at least one nonmagnetic insulating layer is provided. A first thermal annealing process on the TMR structure is performed. A reader pattern definition process performed on the TMR structure to obtain a patterned TMR reader. A second thermal annealing process is performed on the patterned TMR reader.
    Type: Application
    Filed: November 3, 2009
    Publication date: May 5, 2011
    Applicant: WESTERN DIGITAL (FREMONT), LLC
    Inventors: LU YUAN, JIAN X. SHEN, GEOFFREY W. ANDERSON, CHRISTOPHER NG