4.8 Article

Stretchable Microfluidic Radiofrequency Antennas

Journal

ADVANCED MATERIALS
Volume 22, Issue 25, Pages 2749-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200904201

Keywords

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Funding

  1. DARPA [W911NF-08-C-0060]
  2. AFOSR [FA9550-09-1-0369]
  3. NEC corporation
  4. National Science Foundation [ECS-0335765]

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Highly stretchable and robust antennas are fabricated by injecting liquid metal into a microfluidic channel that consists of two types of silicone rubber with different stiffness. The resulting antennas exhibit high mechanical stability under strain, while retaining high stretchability; these antennas can be stretched by up to a tensile strain of 120 % with little degradation in radiation efficiency.

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