Patent ID: 6388456
Filing Date: 2002-05-14
Classification: G01R

Abstract:
The probe card which comes in contact with electrodes of electric components so as to test characteristics of the electric components, the probe card comprising:a printed board having a top surface and a bottom surface, said top surface projecting upwards to form a protrusion integral with said printed board; a plurality of through holes penetrating said printed board from said bottom surface to said top surface through said protrusion; a plurality of first transmission lines provided at least in said plurality of through holes; a build-up board attached on at least an area of said protrusion where said plurality of through holes are provided; a plurality of second transmission lines, which are provided on said build-up board, connected to said plurality of first transmission lines; and a plurality of probe needles connected to said plurality of the second transmission lines so as to come in contact with the electrodes of the electric components.