Patent ID: 7685704

Claim:
A method for manufacturing a bump of a probe card, the method comprising steps of: (a) forming first and second mask layer patterns on a first and second surfaces of a sacrificial substrate respectively, the first and second mask layer patterns exposing at least a portion of a first bump region where a first bump is to be formed and at least a portion of a second bump region where a second bump is to be formed corresponding to the first bump region, respectively; (b) removing the sacrificial substrate exposed by the first and second mask layer patterns to form the first bump region and the second bump region mutually connected, respectively; (c) removing the first and second mask layer patterns; (d) bonding an insulating substrate to one of the first and second surfaces of the sacrificial substrate; (e) forming first and second bumps filling the first and second bump regions, respectively; and (f) removing the sacrificial substrate.