A probe head includes analog amplifier inputs, a ground plane, and hundreds of probe leads between the inputs and the pins of a circuit under test. The customer defines the grounded pins of the circuit under test. Non-active probe leads, i.e. leads corresponding to the grounded pins are connected to...http://www.google.se/patents/US5940965?utm_source=gb-gplus-sharePatent US5940965 - Method of making multiple lead voltage probe
