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An Improved Chevron Configuration for the Detection of Magnetic Field Vectors

Mohd Ali, Borhanuddin (1993) An Improved Chevron Configuration for the Detection of Magnetic Field Vectors. Pertanika Journal of Science & Technology, 1 (2). pp. 239-248. ISSN 0128-7680

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Abstract

A modified version of Chevron type Magnetoresistive Recording Heads (MRH) sensor is described. Two shielded ferromagnetic thin-film vertical-type MRH are biased at the linear region simultaneously using a small piece of permanent magnet chip. The biasing rotates the magnetisation vector Ms of each MRH . through 4S· with respect to their respective current vectors J resulting in an effective Chevron orientation of 90·. This configuration is shown to be most effective to detect field vectors in applications such as non-destructive detection of grain structures and loss variation in electrical steels, and in packing more bits of information in magnetic disc storage.

Item Type:Article
Keyword:magnetoresistive recording heads (MRH), chevron, magnetic field, non-destructive detection, magnetic disc storage, grain structures, electrical steel.
Faculty or Institute:Faculty of Engineering
Publisher:Universiti Putra Malaysia Press
ID Code:3066
Deposited By: Nur Izzati Mohd Zaki
Deposited On:23 Nov 2009 14:32
Last Modified:27 May 2013 15:05

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