Patent ID: 7791364
Filing Date: 2010-09-07
Classification: G01R

Abstract:
1. A probe card comprising: a board having a lower surface on which a plurality of connection portions are arranged; and first, second, third, and fourth probe groups each including a respective plurality of probes, and each of said probes having a probe base portion connected to one of said connection portions at its upper end, a probe main body portion extending in a right-left direction from a lower end of said probe base portion, and a probe tip portion extending downward from a tip end of said probe main body portion and having a probe tip at its lower end, wherein said probe main body portions of said probes in said first and third probe groups extend from the lower ends of said corresponding probe base portions to a side of said probes in said second and fourth probe groups; wherein said probe main body portions of said probes in said second and fourth probe groups extend from the lower ends of said corresponding probe base portions to the side of said probes in said first and third probe groups; wherein said probe tips of said probes in said third and fourth probe groups are bent to one or the other side in a front-back direction relative to a longitudinal axis of the respective probe main body portions; wherein said probe tips of said probes in said third and fourth probe groups are located alternately in said front-back direction; wherein said probe tip portion of each of said plurality of probes belonging to said first and second probe group is bent to one or the other side in said front-back direction of a vertical surface including a longitudinal axis of said probe main body portion; and wherein a direction in which said probe tip portion of each said probe in said third probe group is bent and a direction in which said probe tip portion of each said probe in said fourth probe group is bent are different from each other.