Characteristics of bit pattern written by a planar-type head

K. S. Kim; C. E. Lee; S. H. Lim; H. Takano; K. Yoshida

doi:10.1016/S0304-8853(01)00633-3

Characteristics of bit pattern written by a planar-type head

K. S. Kim, C. E. Lee, S. H. Lim, H. Takano, K. Yoshida

Department of Physics

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

An attempt is made to achieve a very high density recording on continuous longitudinal media with a newly designed planar-type write head, which can generate a very high write field up to about 14kOe. A particular emphasis is given to the writability of the planar-type head on the medium with a very high value of magneto-crystalline anisotropy (K). A reasonably good bit pattern with a density of 605kfci is generated on the medium with K=4.5 × 10⁵J/m³. However, bit shape is rather curved, and the track width of the written pattern is significantly higher than the head track width. These problems are relieved with the use of a trimmed planar head showing narrow field distribution.

Original language	English
Pages (from-to)	399-401
Number of pages	3
Journal	Journal of Magnetism and Magnetic Materials
Volume	239
Issue number	1-3
DOIs	https://doi.org/10.1016/S0304-8853(01)00633-3
Publication status	Published - 2002 Feb

Keywords

Head trimming
High density recording
High write field
Micromagnetic simulation
Planar-type head

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Characteristics of bit pattern written by a planar-type head",

abstract = "An attempt is made to achieve a very high density recording on continuous longitudinal media with a newly designed planar-type write head, which can generate a very high write field up to about 14kOe. A particular emphasis is given to the writability of the planar-type head on the medium with a very high value of magneto-crystalline anisotropy (K). A reasonably good bit pattern with a density of 605kfci is generated on the medium with K=4.5 × 105J/m3. However, bit shape is rather curved, and the track width of the written pattern is significantly higher than the head track width. These problems are relieved with the use of a trimmed planar head showing narrow field distribution.",

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AU - Kim, K. S.

AU - Lee, C. E.

AU - Lim, S. H.

AU - Takano, H.

AU - Yoshida, K.

PY - 2002/2

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