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Title of Journal: Microsyst Technol

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Abbravation: Microsystem Technologies

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Springer Berlin Heidelberg

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DOI

10.1007/s12115-008-9084-6

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ISSN

1432-1858

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Analysis of the correlation between acoustic noise

Authors: ByungHan Ko SangGeuk Jeong YoungGhyu Ahn KyoungSu Park NoCheol Park YoungPil Park
Publish Date: 2014/05/21
Volume: 20, Issue: 8-9, Pages: 1671-1677
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Abstract

Acoustic noise generated by a multilayer ceramic capacitor MLCC makes users uncomfortable so the problem must be analyzed to reduce the noise There is a correlation between the acoustic noise and the vibration of MLCCs and the circuit board Therefore the acoustic noise problem must be investigated from a vibration perspective In this study the acoustic noisegenerating mechanism was investigated and the relationship between the characteristics of the noise and the dynamic characteristics of the circuit board with MLCC was analyzed And a correlation criterion was proposed to predict the acoustic noise using the vibration response of the circuit board

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