Probe card for testing semiconductor wafers
Abstract:
A probe card is disclosed. The probe card includes a first disc, a second disc, an alignment plate and multiple micro probes. One of the micro probes includes a linear segment and a curved segment connected to each other at an angle stop. The first disc includes a recessed area having multiple holes formed therein, wherein one of the holes is configured to receive the linear segment of the micro probe. The second disc includes a recessed area having multiple holes formed therein, wherein one of the holes is configured to receive the curved segment of the micro probe. Placed within the recessed area of the second disc, the alignment plate includes multiple holes formed therein, wherein one of the holes is configured to receive the curved segment of the micro probe.
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