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Influence of the height of carbon nanotubes on hot switching of Au/Cr-Au/MWCNT contact pairs

Influence of the height of carbon nanotubes on hot switching of Au/Cr-Au/MWCNT contact pairs
Influence of the height of carbon nanotubes on hot switching of Au/Cr-Au/MWCNT contact pairs
Gold coated Multi-Walled Carbon Nanotube (MWCNT) composites have been used for electrical contact surfaces in previous studies. It was shown that the composite could significantly improve switch lifetime, and exhibited potential as a useful contact material for MEMS switches. The reason is attributed to the contribution of the compressibility of the MWCNT forest, which creates a compliant layer under the gold films. In this study, experiments were performed for samples with different heights of MWCNT forests, namely 30 µm, 50 µm and 80 µm. The influence of MWCNT height on the switching behavior and lifetime were studied. An outcome of the work was that the sample with 80 µm height forests showed the longest lifetime, however the composites with 30 µm and 50 µm forest heights showed lower contact resistances, a parameter of high importance for MEMS switch applications.
Liu, Hong
e8808574-7eb8-459e-9539-110a1f76e117
Lewis, Adam P.
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Pu, Suan-Hui
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Jiang, Liudi
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McBride, John W.
d9429c29-9361-4747-9ba3-376297cb8770
Liu, Hong
e8808574-7eb8-459e-9539-110a1f76e117
Lewis, Adam P.
4c3eefcd-e5c3-46be-9004-91fd706ec385
Pu, Suan-Hui
8b46b970-56fd-4a4e-8688-28668f648f43
Jiang, Liudi
374f2414-51f0-418f-a316-e7db0d6dc4d1
McBride, John W.
d9429c29-9361-4747-9ba3-376297cb8770

Liu, Hong, Lewis, Adam P., Pu, Suan-Hui, Jiang, Liudi and McBride, John W. (2014) Influence of the height of carbon nanotubes on hot switching of Au/Cr-Au/MWCNT contact pairs. 16th Electronics Packaging Technology Conference, Singapore, Singapore. 03 - 05 Dec 2014. 6 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

Gold coated Multi-Walled Carbon Nanotube (MWCNT) composites have been used for electrical contact surfaces in previous studies. It was shown that the composite could significantly improve switch lifetime, and exhibited potential as a useful contact material for MEMS switches. The reason is attributed to the contribution of the compressibility of the MWCNT forest, which creates a compliant layer under the gold films. In this study, experiments were performed for samples with different heights of MWCNT forests, namely 30 µm, 50 µm and 80 µm. The influence of MWCNT height on the switching behavior and lifetime were studied. An outcome of the work was that the sample with 80 µm height forests showed the longest lifetime, however the composites with 30 µm and 50 µm forest heights showed lower contact resistances, a parameter of high importance for MEMS switch applications.

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More information

Published date: 3 December 2014
Additional Information: Funded by EPSRC: An Innovatative Eletronics Manufacturing Research Centre (EP/H03014X/1)
Venue - Dates: 16th Electronics Packaging Technology Conference, Singapore, Singapore, 2014-12-03 - 2014-12-05
Organisations: Engineering Mats & Surface Engineerg Gp, Mechatronics, Engineering Science Unit

Identifiers

Local EPrints ID: 370325
URI: http://eprints.soton.ac.uk/id/eprint/370325
PURE UUID: 73d8d56b-1496-41f3-a824-68a83ff6d4e8
ORCID for Suan-Hui Pu: ORCID iD orcid.org/0000-0002-3335-8880
ORCID for Liudi Jiang: ORCID iD orcid.org/0000-0002-3400-825X

Catalogue record

Date deposited: 12 Dec 2014 09:38
Last modified: 21 Nov 2021 03:26

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Contributors

Author: Hong Liu
Author: Adam P. Lewis
Author: Suan-Hui Pu ORCID iD
Author: Liudi Jiang ORCID iD
Author: John W. McBride

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