Patent ID: 9459289
Filing Date: 2016-10-04
CPC Classification: G01R,H01L,Y10T

Claim Text:
1. A probe card comprising: a first insulation layer; a first contact terminal extending through the first insulation layer and projecting from a lower surface of the first insulation layer; a wiring pattern arranged on an upper surface of the first insulation layer and including a rewire, which is connected to the first contact terminal, and a first pad, which is connected to the rewire; a frame-shaped wiring substrate including an exposed upper surface and an exposed lower surface, wherein the frame-shaped wiring substrate includes a second insulation layer that supports the first insulation layer and the frame-shaped wiring substrate, wherein the cavity is filled with the second insulation layer; and a conductive wire arranged in the second insulation layer to electrically connect the first contact terminal and the wiring layer, wherein the first pad is bonded with the conductive wire, and elasticity of the second insulation layer is smaller than elasticity of each of the plurality of interlayer insulation layers.