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Keywords:

  • antenna;
  • nanoparticle ink;
  • printed electronics;
  • conformal printing;
  • 3D printing
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Jennifer A. Lewis, Jennifer T. Bernhard, and co-workers demonstrate on p. 1335 the conformal printing of electrically conductive meander lines onto hemispherical glass substrates. The bandwidth of these electrically small antennas approaches the fundamental limit for their size. This space-filling design offers nearly an order of magnitude improvement over rudimentary monopole antennas. Cover design by T. Malkowski and R. Durdle (Beckman Institute ITG), University of Illinois.