UV-curable EMI-shielding conformal coatings on printed circuit boards

J. Terosky; Vijay K. Varadan; Vasundara V. Varadan

doi:10.1117/12.148476

23 July 1993 UV-curable EMI-shielding conformal coatings on printed circuit boards

J. Terosky, Vijay K. Varadan, Vasundara V. Varadan

Proceedings Volume 1916, Smart Structures and Materials 1993: Smart Materials; (1993) https://doi.org/10.1117/12.148476
Event: 1993 North American Conference on Smart Structures and Materials, 1993, Albuquerque, NM, United States

Abstract

This paper reports the progress attained in reducing electromagnetic interference (EMI) using UV-cured conformal coatings. A glass-epoxy PC board with two signal traces on one side and a ground plane on the other was used to measure the reduction in crosstalk. Measurements were made for several ordinary conformal coatings and several new EMI reducing coatings. The effectiveness of the EMI reducing coatings was also tested on commercial walkie-talkies.

Citation Download Citation

J. Terosky, Vijay K. Varadan, and Vasundara V. Varadan "UV-curable EMI-shielding conformal coatings on printed circuit boards", Proc. SPIE 1916, Smart Structures and Materials 1993: Smart Materials, (23 July 1993); https://doi.org/10.1117/12.148476

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