Wentworth Cobraâ vertical probe cards have been an industry standard for decades.

Based on the 'buckling beam' technology Wentworth originally licensed from IBM, Cobra probe cards facilitate probing of solder bump arrays found in mature C4 applications.

Wentworth provides turnkey solutions from concept to completed probe card, with custom designed interfaces to facilitate communications between the device, probe card and tester
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For logic and memory applications requiring a robust solution for high current, multiple die applications with demanding pitch, see Wentworth's advanced vertical probe cards Accumax, Accumax Direct and Megamax for an improved cost of ownership.