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A thin-film magnetoresistive angle detector

✍ Scribed by Kees J.M. Eijkel; Johan W. Wieberdink; Jan H.J. Fluitman; Theo J.A. Popma; Peter Groot; Henk Leeuwis

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
387 KB
Volume
22
Category
Article
ISSN
0924-4247

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✦ Synopsis

An overview IS gven of the results of our research on a contactless angle detector based on the amsotroplc magnetoreslstance effect (AMR effect) m a permalloy thm lilm The results of high-temperature anneahng treatment of the pennalloy !ilm are discussed Such a treatment suppresses the effects of the umaxlal magnetic amsotropy that IS present m a permalloy thm fihn and increases the AMR effect, thus lmprovmg the detector signal The performance of the detector throughout a temperature range of 20 to 120 "C and the results of heat treatment at 125 "C for 1 week have been tested

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