Abstract

Eddy current heating (ECH) with synchronized thermography (ST) is utilized for the contactless characterization of flexible hybrid electronics. The proposed approach is used for analyzing the uniformity of large-area electronics being the basis for the quality assurance of hybrid electronics manufacturing. Flexible polymer substrate with printed conductors, bonded conventionally manufactured light-emitting diode (LED) chips and current regulators were used as test samples. Obtained results show that ST with ECH is an effective and roll-to-roll compatible measurement tool for in situ quality monitoring of hybrid electronics manufacturing.

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