Patent ID: 7385412
Filing Date: 2008-06-10
Classification: G01R

Abstract:
1. A method for testing a plurality of microfeature devices, comprising: providing a microfeature workpiece including a substrate having a front side, a backside, and a plurality of microelectronic dies, the individual dies including an integrated circuit, a plurality of terminals at the front side of the substrate operatively coupled to the integrated circuit, a plurality of contact pads at the backside of the substrate operatively coupled to the integrated circuit, and through-wafer interconnects extending through the substrate and electrically coupling the terminals to corresponding contact pads; contacting individual terminals with corresponding pins of a first probe card; contacting individual pads with corresponding pins of a second probe card, wherein the contact pads being contacted by the second probe card are not in electrical contact with the terminals being contacted by the first probe card; and testing the dies.