Highly Field Sensitive (150 Oe) Quadri-Valued Magnetooptical Media for High-Speed Overwriting.

  • Takao Hiroki
    Engineering Research Laboratory, Hitachi Maxell Ltd., 6–20–1 Kinunodai, Yawara–mura, Tsukuba–gun, Ibaraki 300–24, Japan
  • Shimazaki Katsusuke
    Engineering Research Laboratory, Hitachi Maxell Ltd., 6–20–1 Kinunodai, Yawara–mura, Tsukuba–gun, Ibaraki 300–24, Japan
  • Ohta Norio
    Engineering Research Laboratory, Hitachi Maxell Ltd., 6–20–1 Kinunodai, Yawara–mura, Tsukuba–gun, Ibaraki 300–24, Japan
  • Yoshihiro Masafumi
    Engineering Research Laboratory, Hitachi Maxell Ltd., 6–20–1 Kinunodai, Yawara–mura, Tsukuba–gun, Ibaraki 300–24, Japan
  • Nagai Nobuyuki
    Engineering Research Laboratory, Hitachi Maxell Ltd., 6–20–1 Kinunodai, Yawara–mura, Tsukuba–gun, Ibaraki 300–24, Japan
  • Imai Susumu
    Engineering Research Laboratory, Hitachi Maxell Ltd., 6–20–1 Kinunodai, Yawara–mura, Tsukuba–gun, Ibaraki 300–24, Japan

Bibliographic Information

Other Title
  • Highly Field Sensitive 150Oe Quadri-Val

Search this article

Abstract

For high-density and high-speed magnetooptical (MO) recording, the use of magnetic multi-valued (MMV) MO media has been proposed. [<A HREF=#rf:1>rf:1</A>] A quadri-valued recording has been achieved using this media and a field modulation recording method. For practical use of this media, it is important to reduce the critical magnetic field to minimize the applied field for realizing the quadri-valued recording. We have achieved reduction of the critical magnetic field down to 150 Oe using a new coupled film, TbFeCo/GdTbFeCo.

Journal

Citations (6)*help

See more

References(3)*help

See more

Details 詳細情報について

Report a problem

Back to top