Minimum Magnetic Domain Width of TbFeCo by Magnetic Field Modulation Recording

Masao Komatsu; Asato Tanaka; Hidemi Yoshida; Yoshimitsu Kobayashi

doi:10.1364/ODS.1994.WC5

Optical Data Storage
Technical Digest Series (Optica Publishing Group, 1994),
paper WC5
•https://doi.org/10.1364/ODS.1994.WC5

Minimum Magnetic Domain Width of TbFeCo by Magnetic Field Modulation Recording

Masao Komatsu, Asato Tanaka, Hidemi Yoshida, and Yoshimitsu Kobayashi

Optical Data Storage 1994

Dana Point, California United States
16–18 May 1994
ISBN:

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High Density Recording 2 (WC)

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M. Komatsu, A. Tanaka, H. Yoshida, and Y. Kobayashi, "Minimum Magnetic Domain Width of TbFeCo by Magnetic Field Modulation Recording," in Optical Data Storage, Technical Digest Series (Optica Publishing Group, 1994), paper WC5.

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Abstract

Higher density recording is necessary for MO to be recognized as useful storage media. We can raise capacity over 8 times by means of green laser and magnetic super resolution . Minimum mark size will be 0.2 μm in this case. There should be two problems when we use green laser. One is smaller Kerr rotation of TbFeCo. The other is stability of magnetic domain of 0.2 μm.

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