High-frequency coaxial interface test fixture

Details High-frequency coaxial interface test fixture High-frequency coaxial interface test fixture

1994-12-09

1996-07-09

Karlsen, Ernest F.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324754, G01R 3102

Patent

active

055347878

ABSTRACT:
A test fixture for use in the testing of integrated circuit devices includes a metal conductive base plate mounted on a printed circuit wiring board. The base plate has holes extending through it between its upper and lower surfaces. An electrically conductive metal floating plate is resiliently biased upward to a normal position spaced a short distance above the upper surface of the base plate. The floating plate has holes through it which mate with and correspond to the holes through the base plate. Insulating sleeves, with spring pin connectors inside, are placed in the holes in the base plate and these sleeves extend upwardly above the surface of the base plate to a height not greater than the sum of the thickness of the base plate and of the thickness of the floating plate. When the floating plate is lowered into physical contact with the base plate, the spring pin connectors extend above the upper surface of the floating plate and complete electrical connections with a circuit board placed on the floating plate. The combined base plate and floating plate assembly become part of an electrical shield of a coaxial connection, in which the spring pin connectors are the inner conductors.

REFERENCES:
patent: 4496903 (1985-01-01), Paulinski
patent: 4574236 (1986-03-01), Hechtman
patent: 5136238 (1992-08-01), Kade

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