Adapter for electronic testing equipment for circuit boards...

G - Physics – 01 – R

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G01R 31/28 (2006.01) G01R 1/073 (2006.01)

Patent

CA 1313426

Abstract of the disclosure Adapter arrangement for electronic test equipment for wiring carriers such as circuit boards and similar, with an adapter board (8) in the form of a plated through hole circuit board to equalise locally raised connection densities between the regular basic grid (3) of the testing device and the variably arranged connection points (6) of the test specimen (4), with springy means of contact to equalise possible vertical variations in contact height on the test specimen. The new and inventive feature consists of the fact that on each contact area (12, 13) on at least one side of the adapter board (8) is at least one cushion-like plug (14, 15) made from an electrically conductive springy elastomer, with the plug on each contact area being electrically insulated from the plug on each neighbouring contact area. In another design form of the invention, the adapter board (8), which is provided with metal contact areas (12, 13) on both sides of the board, is constructed as a thin, flexible film which, because of its inherent flexibility, is in a position to equalise possible vertical variations in contact height (vertical to the test specimen plane) (Fig. 1).

611207

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