Active probe card

Details Active probe card Active probe card

1992-10-02

1994-06-21

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324158F, 371 223, G01R 1073, G01R 3128

Patent

active

053231074

ABSTRACT:
An active probe card having integral test circuitry directly attached to the probe card. The probe card includes a circuit board wherein the test circuitry is mounted on the circuit board. In an alternate embodiment, the probe card also includes an on-board signal selection device. The test circuitry applies test signals through probe pins to integrated circuit input pads and samples the test signal responses at integrated circuit output pads. The orientation of the test circuitry attached to the each pin, i.e., input or output, is field programmable. The test circuitry may use boundary scan testing methodology. The active probe card's test circuitry may implement the test methodology of IEEE standard 1149.1 or analog test circuitry to determine the ac and dc parametric characteristics of the integrated circuit. The active probe card may include terminals to which Automatic Test Equipment (ATE) can be attached.

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patent: 5020219 (1991-06-01), Leedy
patent: 5055780 (1991-10-01), Takagi et al.

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