New Materials for Perpendicular Magnetic Disk Recording

Mapps, D.J.; Pan, G.; Akhter, M.A.; Wilton, D.T.

doi:10.1016/b978-1-4832-8380-7.50172-3

Advanced Materials '93 1994

DOI: 10.1016/b978-1-4832-8380-7.50172-3

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New Materials for Perpendicular Magnetic Disk Recording

D.J. Mapps

G. Pan

M.A. Akhter

et al.

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1994

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Design Issues of Fully Integrated Submicron Trackwidth Single-pole Head for 10 Gb/in<sup>2</sup> Areal Density Perpendicular Rigid Disks

Pan

Mapps

1994

J. Magn. Soc. Jpn.

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Abstract--The write/read perfonnances of the submicron trackwidth flexhead type single pole heads and the crosstalk of the multitrack array heads were quantitatively simulated using three dimensional finite element method. For heads with very thin poles (down to 0.1 J.Ull), pole saturation is the major problem which limits the maximum writing field of the heads. A pole material with Bs of up to 2.1 Tesla is required in order to produce the desired write field for good writability on recording media with coercivity of 150 kAlm. The read efficiency of such a head is only about 0.3. The write-read crosstalk level for the array heads is very large.

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Design Issues of Fully Integrated Submicron Trackwidth Single-pole Head for 10 Gb/in<sup>2</sup> Areal Density Perpendicular Rigid Disks

Pan

Mapps

1994

J. Magn. Soc. Jpn.

Self Cite

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show abstract

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New Materials for Perpendicular Magnetic Disk Recording

Cited by 1 publication

References 10 publications

Design Issues of Fully Integrated Submicron Trackwidth Single-pole Head for 10 Gb/in<sup>2</sup> Areal Density Perpendicular Rigid Disks

Design Issues of Fully Integrated Submicron Trackwidth Single-pole Head for 10 Gb/in<sup>2</sup> Areal Density Perpendicular Rigid Disks

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