Patent ID: 8456171

Claim:
A probe card test system for testing a probe card using a tester, characterized in that: the probe card includes a substrate having a first probe and a first relay connected to the first probe, a relay controller for the first relay and a first measurement channel for connecting the first relay and the first probe to the tester are further provided on the substrate; the tester includes a DC power source, a control board for controlling the relay controller for the first relay, and a first measurement circuit to be connected to the first measurement channel, the DC power source and a voltmeter; and the first measurement circuit includes a first resistor having a predetermined time constant and a first changeover switch to be connected to the first measurement channel, the DC power source and the first resistor are connected to the first changeover switch, and the first measurement channel is switchingly connected to the DC power source or the first resistor by the first changeover switch.