Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1991-10-11
1993-07-06
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324 725, 324158F, G01R 104, G01R 1067
Patent
active
052257711
ABSTRACT:
Individual transistor or logic unit testing is accomplished by a specially fabricated flexible tester surface made in one embodiment of several layers of flexible silicon dioxide, each layer containing vias and conductive traces leading to thousands of microscopic metal probe points on one side of the test surface. The probe points electrically contact the contacts on the wafer under test by fluid pressure.
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Burns William J.
DRI Technology Corp.
Karlsen Ernest F.
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