Patent ID: 8040147
Filing Date: 2011-10-18
Classification: G01R

Abstract:
1. A probe card comprising: a probe card substrate; a probe needle whose base end is connected to one surface of the probe card substrate; and a stopper section provided in the probe card substrate and including a stopper member and a height adjustment mechanism, the stopper member protruding from the one surface and being slidable in a direction in which the stopper member protrudes, the height adjustment mechanism adjusting height of the stopper member protruding from the one surface, wherein the height adjustment mechanism is configured to be able to adjust the protruding height of the stopper member between a first height higher than the position of tip end of the probe needle and a second height lower than the position of the tip end of the probe needle; the height adjustment mechanism includes an inlet/outlet for introducing a medium from outside the stopper section and discharging the medium to outside the stopper section; and the height adjustment mechanism is configured so as to set the protruding height of the stopper member in accordance with the amount of the medium introduced.