Patent ID: 7511517
Filing Date: 2009-03-31
Classification: G01R

Abstract:
1. A parametric test system for testing devices in dice in a semiconductor wafer, each die having a plurality of pads for electrically connecting to the device in the die, comprising: a) a tester having a plurality of input/output lines for providing and receiving electrical signals during test, b) a wafer prober having probe contacts for engaging pads on a die, c) a jumper block for each device type in the semiconductor wafer, each jumper block having inputs for receiving tester input/output lines, a plurality of contacts corresponding to pads of a device to be tested and connected with probe contacts, and manually settable connectors for selectively interconnecting jumper block inputs to block contacts, the interconnection such that each jumper block input is manually connectable to any one of the corresponding block contacts and each jumper block input is connected to one and only one block contact, and d) a multiplexer comprising a plurality of relays, for selectively connecting tester input/output lines to jumper blocks based on a setting of the relays.