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Thermal Contact Conductance Enhancement With Carbon Nanotube Arrays

[+] Author Affiliations
Jun Xu, Timothy S. Fisher

Purdue University

Paper No. IMECE2004-60185, pp. 559-563; 5 pages
doi:10.1115/IMECE2004-60185
From:
  • ASME 2004 International Mechanical Engineering Congress and Exposition
  • Electronic and Photonic Packaging, Electrical Systems Design and Photonics, and Nanotechnology
  • Anaheim, California, USA, November 13 – 19, 2004
  • Conference Sponsors: Electronic and Photonic Packaging Division
  • ISBN: 0-7918-4707-1 | eISBN: 0-7918-4178-2, 0-7918-4179-0, 0-7918-4180-4
  • Copyright © 2004 by ASME

abstract

The present work reports on an experimental study of carbon nanotube (CNT) arrays used for thermal contact conductance enhancement. Multiwall carbon nanotubes were synthesized directly on silicon wafers using plasma-enhanced chemical vapor deposition. Thermal contact conductance was experimentally measured with a steady-state contact conductance technique. To reduce heat losses and experimental uncertainty, testing occurred in a high-vacuum environment with radiation shielding, and temperature measurements were made with an infrared camera. In addition, results from other thermal interface materials (phase change material and metal foil) are presented, and the performance of combinations of these materials with CNT arrays are also reported.

Copyright © 2004 by ASME

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