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Development of Metal Inspection System Exploiting Magnetoresistive Sensors

The 6th International Workshop on System on Chip for Real Time Applications • 2006
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Publication Information
Authors Ibrahim Elshafiey and Ashraf Mohra
Keywords magnetoresistive, sensor, nondestructive
Journal The 6th International Workshop on System on Chip for Real Time Applications
Publisher Not Available
Volume 1
Issue 1
Pages Not Available
publication.type Local
Paper Link Not Available
Supplementary Materials Not Available
Abstract
Advances in magnetoresistive (MR) type sensors
provide a new technique for nondestructive evaluation NDE of
metal structures. MR sensors include high sensitivity and reduced
size. Being produced by thin film processing techniques, the
manufacturing cost of these sensors is low. This paper provides an
attempt to develop an NDE system that depends on one type ofMR
sensors, namely the giant MR (GMR) elements. An example is
considered of detecting defects in printed circuit boards. System
details and experimental results are provided. Computational
modeling validation is introduced based on finite element analysis