Patent ID: 7518358

Claim:
A chuck for a probe station comprising: (a) a first chuck assembly element having a lower surface and an upper surface suitable to support a wafer, said first chuck assembly element defining at least one first air path therein to said upper surface; (b) a second chuck assembly element having an upper surface in opposing relationship to said lower surface of said first chuck assembly element, said second chuck assembly defining at least one second air path therein; and (c) an interconnecting member interconnecting said first air path and said second air path in such a manner that a fluid having a pressure may be communicated from said first air path to said second air path, said interconnecting member movable with respect to at least one of said first chuck assembly element and said second chuck assembly element at a respective one of a first interface of said interconnecting member and said first chuck assembly and a second interface of said interconnecting member and said second chuck assembly.