Precise side writing measurements using a single recording head

Hoyt, Roger F.; Sussner, H.

doi:10.1109/tmag.1984.1063511

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Read-and Write-trackwidths1

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1989

1994

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Cited by 12 publications

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“…Read-and write-trackwidths were intensively investigated theoretically and experimentally in the past [2][3][4][5][6][7][8][9][10]. Katz [4] shows a simple method to measure and evaluate the trackwidths of floppy disk heads with track densities of about 100 tpi.…”

Section: Read-and Write-trackwidthsmentioning

confidence: 99%

Write-Wide and Read-Narrow Characteristics of a Modified Thin-Film Head for Perpendicular Recording

Schewe

Gräbner

1989

J. Magn. Soc. Jpn.

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Increasing the capacity of rigid disk drives can be done by improving the linear bit density or by narrowing the tracks. Track density is limited by tolerances of the mechanical head-disk assembly in today's rigid disk drives. These limitations can be avoided, if the magnetic head is able to write wide and to read narrow. The writing width of a modified thin-film magnetic head for perpendicular recording is determined by the width of the leading pole, whereas the reading width depends on the width of the trailing pole. Thus modified thin-film heads for perpendicular recording are suitable for obtaining the desired write-wide/read-narrow performance, which is demonstrated by bit error rate measurements.

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