Patent ID: 6084419
Filing Date: 2000-07-04
Classification: G01R

Abstract:
An inspecting method for inspecting electric characteristics of semiconductor integrated circuits formed on a semiconductor wafer, said inspecting method comprising:a step of placing said semiconductor wafer, on which semiconductor integrated circuits having a plurality of inspecting electrodes are formed, on a main chuck;a contact step of moving the main chuck toward a first contactor having a plurality of contact projections formed on a lower surface, said plurality of contact projections corresponding to the inspecting electrodes of the semiconductor integrated circuits and bringing the contact projections into simultaneous contact with the inspecting electrodes of all of the semiconductor integrated circuits formed on the semiconductor wafer; anda moving step of moving a second contractor above the first contactor in such a manner that contact elements, which are formed on a lower surface of the second contractor, are sequentially brought into contact with contact electrodes of the first contactor step by step,in said moving step,a step of sequentially outputting inspection signals of the semiconductor integrated circuits by the contact element of the second contactor from the contact projections in a state where the contact projections are kept in contact with the inspecting electrodes of the semiconductor integrated circuits; andsequentially inspecting the electric characteristics of each of the semiconductor integrated circuits on the basis of the inspection signals.