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Electromagnetic Reading of Laser Scribed Logistic Markers on Metallic Components
Szabolcs Gyimóthy, József Pávó, Imre Kiss, Antal Gasparics, Zoltán Kalincsák, Imre Sebestyén, Gábor Vértesy, János Takács, Hajime Tsuboi
139 - 146
Studies in Applied Electromagnetics and Mechanics
Volume 28: Electromagnetic Nondestructive Evaluation (X)
Abstract

An application of electromagnetic nondestructive evaluation is presented in the paper: Laser scribed markers used as logistic codes on metallic components are reconstructed from the signal of an eddy current probe. The authors developed a computational model of the reading out process by which both the code specification and the probe can be optimized. The model is applied here for the optimization of marker density. The reconstruction of barcode using inverse filtering approach is also demonstrated.

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