Patent ID: 7960991
Filing Date: 2011-06-14
Classification: G01R

Abstract:
1. A test apparatus for testing a device under test, comprising: a test head that communicates a signal with the device under test and tests the device under test; a prober on which the device under test is mounted; and a probe card that is positioned between the test head and the prober and that transfers a signal between the test head and the device under test, the probe card having a front side facing the test head and a rear side facing the prober, wherein the test head includes a plurality of test head pins on a surface of the test head facing the front side of the probe card, the plurality of test head pins being electrically connected to the probe card, the probe card includes: a plurality of probe pins that are provided on a surface of the rear side of the probe card and that are electrically connected to a terminal of the device under test; a plurality of test head pads that are provided on a surface of the front side of the probe card and that are electrically connected to the test head pins and to the probe pins; and prober pads that are provided on a surface of the rear side of the probe card and that are electrically connected to the probe pins, and the prober includes: a prober connection section that is provided on a surface of the prober facing the rear side of the probe card and that is electrically connected to the prober pads; and a transfer path that transfers a signal between the test head and the prober connection section.