H - Electricity – 01 – L
Patent
H - Electricity
01
L
356/188
H01L 21/66 (2006.01) G01R 31/28 (2006.01) G01R 31/30 (2006.01) G01R 31/319 (2006.01)
Patent
CA 1208373
Abstract An improved test system for performing DC and AC parametric and dynamic functional testing of multi-terminal integrated circuits is described. All of the circuitry for producing and responding to D.C. and high-integrity stimulus and response test signals is located within a Test Head module sized for use in close proximity of the device under test. A high-integrity bus in the Test Head interconnects the high-integrity producing and handling circuits, with inexpensive connectors and batch fabricated printed circuit board techniques. A Controller provides digital test commands for energizing the test signal producing circuits within the Test Head and for evaluating the test results. The control and measurement signals passing between the Controller and the Test Module require no special conductor implementation techniques. A unique detachable, modularized bussing scheme between the Controller and Test Head and within the Test Head enables the test system to be manufactured at minimum cost, while maximizing reliability, signal integrity and manufacturing repeatability from system to system and enables rapid replacement and interchangability of test circuits and functional capabilities without sacri- ficing the quality of bus structure that carries the high integrity signals.
428650
Amick Christopher G.
Gruenenwald Stanley L.
Petrich Dennis M.
Gowling Lafleur Henderson Llp
Micro Component Technology Inc.
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