Vibration reduction of mlccs using vibration-canceling effects of poling process

Dongjoon Kim, Byung Han Ko, No Cheol Park, Young Pil Park

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

MLCC vibrates due to its piezoelectric characteristics and it makes circuit board vibrate and lead to acoustic noise. In order to reduce vibration, piezoelectric coefficient should be reduced. In this study, poling process was used to decrease piezoelectric coefficient. Due to the electrostriction coefficient, response at fundamental frequency can be cancelled by applying voltage to opposite direction. Through the experiment, vibration-cancelling voltage increases as the poling voltage increases. Also, vibration-cancelling voltage increase inversely proportion to MLCC's capacitance. By applying proper DC bias after poling process, vibration can be reduced.

Original languageEnglish
Title of host publicationASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016
PublisherAmerican Society of Mechanical Engineers
ISBN (Electronic)9780791849880
DOIs
Publication statusPublished - 2016 Jan 1
EventASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016 - Santa Clara, United States
Duration: 2016 Jun 202016 Jun 21

Publication series

NameASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016

Other

OtherASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016
CountryUnited States
CitySanta Clara
Period16/6/2016/6/21

Fingerprint

Electric potential
Electrostriction
Acoustic noise
Vibrations (mechanical)
Capacitance
Networks (circuits)
Experiments

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Hardware and Architecture
  • Information Systems

Cite this

Kim, D., Ko, B. H., Park, N. C., & Park, Y. P. (2016). Vibration reduction of mlccs using vibration-canceling effects of poling process. In ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016 (ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016). American Society of Mechanical Engineers. https://doi.org/10.1115/ISPS2016-9596
Kim, Dongjoon ; Ko, Byung Han ; Park, No Cheol ; Park, Young Pil. / Vibration reduction of mlccs using vibration-canceling effects of poling process. ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016. American Society of Mechanical Engineers, 2016. (ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016).
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abstract = "MLCC vibrates due to its piezoelectric characteristics and it makes circuit board vibrate and lead to acoustic noise. In order to reduce vibration, piezoelectric coefficient should be reduced. In this study, poling process was used to decrease piezoelectric coefficient. Due to the electrostriction coefficient, response at fundamental frequency can be cancelled by applying voltage to opposite direction. Through the experiment, vibration-cancelling voltage increases as the poling voltage increases. Also, vibration-cancelling voltage increase inversely proportion to MLCC's capacitance. By applying proper DC bias after poling process, vibration can be reduced.",
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Kim, D, Ko, BH, Park, NC & Park, YP 2016, Vibration reduction of mlccs using vibration-canceling effects of poling process. in ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016. ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016, American Society of Mechanical Engineers, ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016, Santa Clara, United States, 16/6/20. https://doi.org/10.1115/ISPS2016-9596

Vibration reduction of mlccs using vibration-canceling effects of poling process. / Kim, Dongjoon; Ko, Byung Han; Park, No Cheol; Park, Young Pil.

ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016. American Society of Mechanical Engineers, 2016. (ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - MLCC vibrates due to its piezoelectric characteristics and it makes circuit board vibrate and lead to acoustic noise. In order to reduce vibration, piezoelectric coefficient should be reduced. In this study, poling process was used to decrease piezoelectric coefficient. Due to the electrostriction coefficient, response at fundamental frequency can be cancelled by applying voltage to opposite direction. Through the experiment, vibration-cancelling voltage increases as the poling voltage increases. Also, vibration-cancelling voltage increase inversely proportion to MLCC's capacitance. By applying proper DC bias after poling process, vibration can be reduced.

AB - MLCC vibrates due to its piezoelectric characteristics and it makes circuit board vibrate and lead to acoustic noise. In order to reduce vibration, piezoelectric coefficient should be reduced. In this study, poling process was used to decrease piezoelectric coefficient. Due to the electrostriction coefficient, response at fundamental frequency can be cancelled by applying voltage to opposite direction. Through the experiment, vibration-cancelling voltage increases as the poling voltage increases. Also, vibration-cancelling voltage increase inversely proportion to MLCC's capacitance. By applying proper DC bias after poling process, vibration can be reduced.

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Kim D, Ko BH, Park NC, Park YP. Vibration reduction of mlccs using vibration-canceling effects of poling process. In ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016. American Society of Mechanical Engineers. 2016. (ASME 2016 Conference on Information Storage and Processing Systems, ISPS 2016). https://doi.org/10.1115/ISPS2016-9596