Probe interface assembly

Details Probe interface assembly Probe interface assembly

1991-04-23

1992-09-01

Wieder, Kenneth A.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324158F, 324 725, 357 68, G01R 100, G01R 102

Patent

active

051442280

ABSTRACT:
A probe interface assembly connects a set of signal lines and a set of power lines from a circuit tester to one integrated circuit (IC) chip disposed among multiple circuit chips on a semiconductor wafer. The assembly includes a plurality of electrically conductive planes including metal mesh and conductive strips which are spaced apart by ceramic planes contiguous the conductive planes. The signal lines and the power lines enter the assembly with relatively large spacing at an input plane facing the tester, and exit the assembly with relatively small spacing at an output plane facing the chip. Within the assembly, each power line branches into a plurality of conducting vias for reducing resistance and inductance of the power lines. Connection of the vias to the power lines is accomplished by conductive planes near the output plane. Other ones of the conductive planes, near the input plane, interconnect input and output signal lines. Ground planes are interposed between power planes and signal planes.

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