Patent ID: 8305101

Claim:
A microelectronic contactor assembly, comprising: a probe head having i) a plurality of microelectronic contactors, ii) a surface having a plurality of holes and a periphery, the periphery having a plurality of edge recesses, and iii) a plurality of inserts including a first plurality of inserts anchored in the holes, and a second plurality of inserts anchored in the edge recesses; a stiffener; a circuit board disposed between the probe head and the stiffener; a compressible electrical interconnect disposed between the probe head and the circuit board, the compressible electrical interconnect providing electrical interconnections between the probe head and the circuit board; and a plurality of adjustable multi-part fasteners, each of the adjustable multi-part fasteners having i) a shaft coupled to one of the plurality of inserts, and ii) a differential screw mechanism coupled to the stiffener.