| 摘要 |
A test device including means (1) for immobilising electrically insulating upper (3) and lower (4) parallel plates defining a cavity (10) and respectively comprising a plurality of third (39) and first (37) through-holes arranged in a predetermined pattern, and a plurality of elongate electrically conductive contact means (30) respectively secured to the upper plate adjacent the third through-holes, and having a calibrated length (L). The cavity (10) houses means (5, 6, 8) for controllably moving the plurality of contact means between the upper and lower plates to cause one-sided buckling of the plurality of contact means.
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