Patent ID: 9194889
Filing Date: 2015-11-24
Classification: G01R,Y10T

Abstract:
1. A probe card, comprising: a plurality of unit plates including pad areas and contact probe areas; a plurality of electrode pads formed in the pad areas; a plurality of contact probes formed in the contact probe areas; and a plurality of interconnecting layers electrically connecting the electrode pads and the contact probes, wherein the pad areas are positioned at ends of the unit plates, the plurality of unit plates have different sizes and are laminated in a thickness direction of each of the unit plates and sequentially arranged by size so as to expose all the pad areas of each unit plate, and each of the unit plates which is adjacent to each other in the plurality of unit plates has a difference in a size by the pad areas so that the pad areas of each of the unit plates are not overlapped by an adjacent unit plate.