As a result of the relatively low intrinsic damping in printed circuit boards, vibration and shock loading may excite vibration modes that lead to vibration-induced damage of the PCB and attached components. An investigation of techniques to enhance the damping in printed circuit boards is conducted. Experimental evaluation of the effects of several damping treatments was performed. Of particular interest were the effects of potting materials and microfibrous metallic cloth sandwich configurations. The results from different configurations for each type of treatment are compared and the results discussed. An overall summary of the results is presented and conclusions/observations are discussed.
Volume Subject Area:
22nd Biennial Conference on Mechanical Vibration and Noise
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