Microfabricated Chip Traps for Ions
  This submission is an introduction to microfabricated ion traps. We cover the basics of Paul traps, various geometries for realizing the traps, a number of design considerations, and, finally, a review of existing microfabricated traps. 
J. M. Amini, J. Britton, D. Leibfried, D. J. Wineland