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Fabrication and performance of high moment laminated FeAlN thin film inductive recording heads

Authors: S. Wang; F. Liu; K.D. Maranowski; M.N. Kryder;

Fabrication and performance of high moment laminated FeAlN thin film inductive recording heads

Abstract

Experimental thin film inductive heads using previously developed laminated FeAlN high moment soft magnetic materials have been designed, and fabricated to the wafer level. The heads, with a gap length of 0.2 /spl mu/m and trackwidths varying from 6 to 84 /spl mu/m, were fabricated with a mainly dry process. The dynamic domain patterns of the top magnetic poles were observed with a high speed wide-field Kerr microscope. Closure domains were not present, while multiple easy-axis domains were observed in the head yokes. The head inductances were measured from 1 to 50 MHz with a network analyzer. The electrical and magnetic testing results show that the fabricated heads function well at the wafer level and that laminated FeAlN high moment material is a very promising candidate for future high-density recording head applications. >

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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!
14
Average
Top 10%
Average
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