| 摘要 |
A probe comprises: contact parts to be electrically connected to input/output terminals of an IC device built in a semiconductor wafer under test; interconnect parts at the front ends of which the contact parts are provided; a plurality of beam parts on the top surface of which the interconnect parts are provided along the longitudinal direction; and a base part supporting the plurality of beam parts all together in a cantilever fashion, the beam parts are supported by the base part at a rear end region of the beam parts, and grooves are provided between the adjoining beam parts in the rear end region.
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