Patent ID: 6600329
Filing Date: 2003-07-29
Classification: G01R

Abstract:
A method for inspecting electrical properties of a wafer comprising:installing a probe card and a performance board in a probe station, the probe card making contact with the wafer to transfer electric signals to and from the wafer, and the performance board being operatively connected with the probe card to transfer the electric signals to and from the probe card; verifying whether the probe card and the performance board respectively correspond to a probe card and a performance board usable to respectively inspect the wafer from among plural wafer types; reading previously provided inspection information corresponding to an inspection using the probe card and the performance board, when the probe card and the performance board are respectively determined as usable to inspect the wafer during said verifying; setting the probe card and the performance board to an installation condition for inspecting based on the inspection information; placing the wafer on a chuck of the probe station; transferring the electric signals to and from the wafer through the probe card and the performance board; and analyzing the electrical properties of the wafer based on the electric signals.