Patent ID: 6727714
Filing Date: 2004-04-27
Classification: G01R

Abstract:
A probe card comprising:a probe card substrate; an offset substrate electrically connected to the probe card substrate; an interposer substrate electrically connected to the offset substrate; a probe needle formed so that it is electrical contact with the interposer substrate; and a probe needle positioning member for positioning and fixing the probe needle so that the probe needle is in electric contact with the interposer substrate, said probe needle positioning member comprising: a stiffener for supporting the probe card substrate, said stiffener having a recess to receive said offset substrate and interposer substrate, and positioning holes provided around the recess for positioning the probe needle: and positioning pins each inserted into the respective positioning holes to secure the probe needle, wherein the depth of said positioning member is not smaller than the total thickness of the offset substrate and interposer substrate.