Measurement system for two-dimensional magnetic field distributions, applied to the investigation of recording head fields

J.P.J. Groenland, J.H.J. Fluitman

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    The system described is built around a very accurate positioner into which a sensitive transducer and the object of analysis is mounted. The properties of the applied magnetoresistive transducer are described. This transducer, a very narrow permalloy strip placed at the edge of a glass substratum, can be used to measure both components of the field distribution. The analysis of the measured results can be accomplished with the help of a computer simulation of the transducer response curves. The performance of the system is demonstrated by measurements on a number of ferrite heads and conclusions about the so called 'dead layer'-structures on these heads are given.
    Original languageUndefined
    Pages (from-to)503-508
    Number of pages6
    JournalJournal of physics E: scientific instruments
    Issue number4
    Publication statusPublished - 1981


    • SMI-TST: From 2006 in EWI-TST
    • IR-60537
    • EWI-5435

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