Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1984-12-20
1987-06-09
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324158P, 324 73PC, G01R 104
Patent
active
046723129
ABSTRACT:
Gigahertz test jig apparatus (10) is disclosed for providing accurate and reliable evaluation of a wide variety of test devices which propagate signals having frequencies in excess of one gigahertz over a broad range of temperatures. A circular ground wall (12) encloses a multi-layer arrangement of disc-shaped dielectric layers (18, 22) which both enclose and are attached to a conductive ground plane (20). Plated-through holes (26) are deployed at the periphery of each of the discs (18, 20, 22) in order to electrically coupled upper and lower ground rings (24, 25) to the ground wall (12) and the ground plane (20). External jig connectors (16) are mounted in connector holes (14) formed in the ground wall (12). Conductive signal traces (30A, 30B) are etched on the exterior faces of the dielectric discs (18, 22) and are joined to the external jig connectors (16) and test device pin terminals (28) which are arranged to receive and hold a test device (36) such as an integrated circuit.
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Olivares Leonard
Takamine Henry K.
Burns W.
Eisenzopf Reinhard J.
Hughes Aircraft Company
Karambelas A. W.
Taylor Ronald L.
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