Patents by Inventor Liwen Tan

Liwen Tan 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).

  • DATA READER WITH MAGNETIC SEED LAMINATION
    Publication number: 20140218821
    Abstract: A magnetic element capable of reading data may generally be configured at least with a magnetic seed lamination disposed between a data reader stack and a magnetic shield. The magnetic seed lamination may be constructed at least with one magnetic layer coupled to the bottom shield and at least one non-magnetic layer decoupling the data reader stack from the at least one magnetic layer.
    Type: Application
    Filed: February 7, 2013
    Publication date: August 7, 2014
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Zhengqi Lu, Ann Lynch, Daniel Hassett, Jiansheng Xu, Jae-Young Yi, Liwen Tan, Eric W. Singleton
  • MAGNETIC ELEMENT ELECTRODE LAMINATION
    Publication number: 20140212691
    Abstract: Various embodiments may be generally directed to a magnetic element capable of optimized magnetoresistive data reading. Such a magnetic element may be configured at least with a magnetoresistive stack that has an electrode lamination having at least a transition metal layer disposed between a magnetically free layer of the magnetoresistive stack and an electrode layer of the electrode lamination.
    Type: Application
    Filed: January 31, 2013
    Publication date: July 31, 2014
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Eric Walter Singleton, Liwen Tan, Jae-Young Yi
  • Magnetic element with coupled side shield
    Patent number: 8760820
    Abstract: A magnetic element may be constructed in accordance with various embodiments as a data reader. The magnetic element can have at least a magnetic reader that contacts a top shield and is separated from a side shield on an air bearing surface (ABS). The side shield may be antiferromagnetically coupled to the top shield via a coupling layer disposed between the top and side shields.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: June 24, 2014
    Assignee: Seagate Technology LLC
    Inventors: Shaun Eric McKinlay, Liwen Tan, Eric Walter Singleton, Mohammed Shariat Ullah Patwari, Victor Boris Sapozhnikov
  • Magnetic Element with Coupled Side Shield
    Publication number: 20140153137
    Abstract: A magnetic element may be constructed in accordance with various embodiments as a data reader. The magnetic element can have at least a magnetic reader that contacts a top shield and is separated from a side shield on an air bearing surface (ABS). The side shield may be antiferromagnetically coupled to the top shield via a coupling layer disposed between the top and side shields.
    Type: Application
    Filed: November 30, 2012
    Publication date: June 5, 2014
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Shaun Eric McKinlay, Liwen Tan, Eric Walter Singleton, Mohammed Shariat Ullah Patwari, Victor Boris Sapozhnikov
  • DEVICES INCLUDING TANTALUM ALLOY LAYERS
    Publication number: 20130341743
    Abstract: A device that includes a sensor stack, the sensor stack including a reference layer, a free layer and a barrier layer positioned between the reference layer and the free layer; a seed layer; and a cap layer, wherein the sensor stack is positioned between the seed layer and the cap layer, and wherein at least one of the seed layer or the cap layer includes TaX, wherein X is selected from Cr, V, Ti, Zr, Nb, Mo, Hf, W, or a combination thereof.
    Type: Application
    Filed: January 31, 2013
    Publication date: December 26, 2013
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Eric Walter Singleton, Liwen Tan, Jae-Young Yi
  • Magnetic Sensor Seed Layer with Magnetic and Nonmagnetic Layers
    Publication number: 20130293225
    Abstract: A magnetic sensor has a bottom shield layer, an upper shield layer, and a sensor stack adjacent the upper shield layer. The sensor includes a seed layer between the bottom shield layer and an antiferromagnetic layer of the sensor stack. The seed layer has a magnetic layer adjacent the sensor stack and a nonmagnetic layer adjacent the bottom shield layer.
    Type: Application
    Filed: December 15, 2011
    Publication date: November 7, 2013
    Applicant: Seagate Technology LLC
    Inventors: Eric Walter Singleton, Antonia Tsoukatos, Liwen Tan, Jae-Young Yi