Arrangement for testing electrical printed-circuit boards

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor

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324 725, 324158F, G01R 102, G01R 104

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active

051343630

ABSTRACT:
In an arrangement for testing electrical circuit boards an intermediary adapter is disposed between the circuit board and a basic adapter. For converting a grid offset as well as a grid with smaller grid step width to the grid of contact areas in the basic adapter converters (11) are provided which on their top side have test piece-specific arrangements of contact needles (31), for example for SMD structural elements. On the underside the converters (11) are provided with contact pins (36) in a grid corresponding to the contact area bank of the basic adapter. The grid of the contact pins (36) is displaced laterally or diagonally relative to the side edges (44) of converters (11) so that by rotating the converters (11) about their longitudinal axes offsetting the contact pins (36) for contacting the contact areas of the basic adapter can be carried out.

REFERENCES:
patent: 3806801 (1974-04-01), Boe
patent: 4290015 (1981-09-01), Labriola
patent: 4417204 (1983-11-01), Dehmel et al.
patent: 4614386 (1986-09-01), Driller et al.
patent: 4686467 (1987-08-01), DeLapp et al.
patent: 4724377 (1988-09-01), Maelzer et al.
patent: 4774459 (1988-09-01), Maelzer et al.

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