Probe card for examining semiconductor devices on...

Details Probe card for examining semiconductor devices on... Probe card for examining semiconductor devices on...

2006-07-25

2006-07-25

Nguyen, Vinh P. (Department: 2829)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

C324S761010, C324S762010

Reexamination Certificate

active

07081766

ABSTRACT:
Probe card for examining semiconductor devices on semiconductor wafers that allows the members configuring the probe card to be easily separated and assembled, prevents the occurrence of electrical conduction failure between electrodes and achieves high electrical contact and high reliability. The probe card is used for measuring electrical properties of a measuring object and includes a space transformer including a plurality of contacts contacting an electrode pad of the measuring object on one surface and a plurality of connecting pins on a surface opposite the surface with the contact, a main substrate including a plurality of first connecting electrodes contacting an electrode pad of measuring equipment, and a sub-substrate including a plurality of through-holes, through which the connecting pin is inserted between the main substrate and the space transformer, for electrically conducting with the first connecting electrode, where the sub-substrate and the main substrate are coupled together.

REFERENCES:
patent: 4038599 (1977-07-01), Bove et al.
patent: 5821763 (1998-10-01), Beaman et al.
patent: 6483328 (2002-11-01), Eldridge et al.

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