Patent ID: 6781392
Filing Date: 2004-08-24
Classification: G01R

Abstract:
A modularized probe card comprising:an interface board having a downset and a plurality of connecting ends surrounding the edges of the downset; a modularized probe head forming with a plurality of contacting pads on its edges, the probe head being replaceable and combining with the downset of the interface board; and at least a compressible electrical connection device for electrically connecting the interface board with the probe head, the compressible electrical connection device comprises: an insulation layer having a surface, an inner end and an outer end; a plurality of circuits forming on the surface of the insulation layer, with two ends of each circuits connecting respectively to the inner and outer ends; and a plurality of elastic contact members forming on the inner and outer ends, each having a supporter for combining with a conductive layer to provide compressible electrical connection of the contacting pads of probe head with the connecting ends of interface board.