Patent ID: 6059982
Filing Date: 2000-05-09
Classification: B82Y,G01R,Y10T

Abstract:
A method for forming a probe assembly comprising the steps of:forming a first masking layer on a top surface of a silicon substrate;etching a first trench having a sidewall and a bottom in the silicon substrate utilizing the first masking layer;forming a second masking layer on the first trench;etching a second trench having sidewalls tapering to a point in the bottom of the first trench utilizing the second masking layer;depositing a conductive layer on top of the second masking layer and the second trench to form the conductive line of the assembly, said conductive line having an upper portion over the top surface of the substrate and a lower portion in the first trench, said lower portion having an integral probe point formed in the second trench;depositing a dielectric on top of the conductive line and the second masking layer and planarizing said dielectric layer; andremoving said silicon substrate.