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Thin film tape recording heads with high moment FeAlN poles

Authors: J.A. Bain; J. Wolfson; M.H. Kryder; null Yung Yip; J. Reid; R.D. Silkensen; R.H. Dee;

Thin film tape recording heads with high moment FeAlN poles

Abstract

In this paper we present results on the fabrication and testing of thin film tape recording heads using high moment FeAlN pole materials (4/spl pi/M/sub s/=20 kGauss). These heads are of the type used in quarter inch cartridge (QIC) tape drives, with a record gap dimension of 1.9 /spl mu/m and a written track-width of 33 /spl mu/m. The pole thicknesses ranged from 4 to 4.5 /spl mu/m with a 14 turn coil. The FeAlN pole material delivers sufficient field to the media surface to saturate 1.5 /spl mu/m thick Ba-Ferrite media (H/sub c/=1500 Oe). In comparisons to a head of identical design with CoZrTa poles, the FeAlN poles were able to deliver more flux to the media because of a higher head saturation onset current.

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Powered by OpenAIRE graph
Found an issue? Give us feedback
selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
16
Average
Top 10%
Top 10%
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