A probe array for includes a handle, a first probe and a second probe. The first probe has a first shank, connected to the handle, and a first tip; and the second probe has a second shank, connected to the handle, and second tip. The first tip contains a different material from the second tip. The probe...http://www.google.de/patents/US7523650?utm_source=gb-gplus-sharePatent US7523650 - Multifunctional probe array system
