Embodiments of the present invention are directed to the formation of microprobe tips elements having a variety of configurations. In some embodiments tips are formed from the same building material as the probes themselves, while in other embodiments the tips may be formed from a different material...http://www.google.es/patents/US7412767?utm_source=gb-gplus-sharePatente US7412767 - Microprobe tips and methods for making
