Patent ID: 7973548
Filing Date: 2011-07-05
Classification: G01R

Abstract:
1. A semiconductor test equipment with concentric pogo towers, comprising: a base, including a stage thereon, and a recessed card holder provided on the stage; a tester head, being removeably provided on the stage of the base, the tester head including a load board therebelow; an outer pogo tower, including an inner annular surface, a first connecting component and a plurality of outer pogo pins; and an inner pogo tower, being concentrically received in the outer pogo tower and surrounding with the inner annular surface of the outer pogo tower, the inner pogo tower including an outer peripheral surface, a second connecting component and a plurality of inner pogo pins; wherein, the inner pogo tower integrating with the outer pogo tower through the second connecting component correspondingly engaging with the first connecting component; the outer pogo tower being fixed to the load board of the tester head together with the inner pogo tower corresponding to the recessed card holder of the base, in which the plurality of inner pogo pins and the plurality of outer pogo pins being electrically connected to the load board respectively; and wherein the second connecting component of the inner pogo tower includes at least one connecting slot recessed on the outer peripheral surface thereof, the at least one connecting slot comprises an opened end and a closed end, the opened end being configured faraway from the load board rather than the closed end; the first connecting component of the outer pogo tower including at least one connecting pin radially protruded from the inner annular surface of the outer pogo tower; the at least one connecting pin correspondingly sliding into the opened end of the at least one connecting slot and stopped at the closed end for engagement.