• DocumentCode
    3440018
  • Title

    Spin-valve tape heads

  • Author

    Oliveira, Nuno J. ; Freitas, Paulo P.

  • Author_Institution
    INESC, Lisbon, Portugal
  • Volume
    3
  • fYear
    1998
  • fDate
    1998
  • Firstpage
    255
  • Abstract
    Shielded sensor-in-gap tape heads were fabricated and characterized, showing an output of 1.8 mVpp/μm at low density and 0.58 mVpp/μm at 100 KFCI. The operation of the spin-valve sensor is discussed and the performance of TbCo, NiO and MnRh exchange layers is compared, showing MR signals up to 6.5% and thermal stability above 250°C. Sensor-in-gap geometry is discussed and the wafer fabrication process is also described
  • Keywords
    cobalt alloys; copper; ferromagnetic materials; iron alloys; magnetic heads; magnetic shielding; manganese alloys; nickel alloys; rhodium alloys; spin valves; tantalum; terbium alloys; thermal stability; titanium alloys; tungsten alloys; 250 degC; MR signals; Ta-NiFe-Cu-CoFe-MnRh-TiW; Ta-NiFe-Cu-CoFe-NiO-TiW; Ta-NiFe-Cu-CoFe-TbCo-TiW; sensor-in-gap geometry; shielded sensor-in-gap tape heads; spin-valve tape heads; thermal stability; wafer fabrication process; Geometry; Magnetic flux; Magnetic heads; Magnetic materials; Magnetic recording; Magnetic sensors; Magnetization; Physics; Sensor phenomena and characterization; Soft magnetic materials;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Electronics, Circuits and Systems, 1998 IEEE International Conference on
  • Conference_Location
    Lisboa
  • Print_ISBN
    0-7803-5008-1
  • Type

    conf

  • DOI
    10.1109/ICECS.1998.813978
  • Filename
    813978
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3440018