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Clumping and Packing of Hair Arrays Manufactured by Nanocasting

[+] Author Affiliations
Carmel Majidi, Richard Groff, Ron Fearing

University of California at Berkeley

Paper No. IMECE2004-62142, pp. 579-584; 6 pages
  • 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


The gecko’s remarkable dry adhesive system, consisting of arrays of heirarchically structured hairs made from a stiff material, has motivated widespread interest in creating a synthetic dry adhesive whose adhesive properties derive more from its geometry than its bulk material properties. Recently, methods for synthesizing simple hair arrays have been developed. It has been observed that micro and nanosized synthetic hairs often adhere together to form clumps. This paper introduces several models and guidelines for predicting clumping conditions through hair geometry and lattice structure, and presents our methods for casting hair arrays.

Copyright © 2004 by ASME



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