Patent ID: 7100270

Claim:
A method of fabricating a thin integrated film circuit with thick film resistors, comprising steps of: forming multiple pairs of conductive electrodes as terminals of thick film resistors on a substrate, wherein the two conductive electrodes of the same pair are separated by a distance and extend parallel to each other; forming a resistive coating on the substrate between each pair of conductive electrodes to form a thick film resistor; forming a passivation layer over the thick film resistors, where a low temperature process is used to form a dielectric layer as the passivation layer to protect the thick film resistors; forming a titanium layer and a copper layer sequentially over the substrate with the thick film resistors; attaching a dry film as over the copper layer; providing a photomask over the dry film; forming a circuit pattern on the dry film by an exposing process; electroplating a copper plated circuit on the circuit pattern that connects to the thick film resistors; removing remnants of the dry film and excess portions of the copper layer and titanium layer from the substrate to form thin film circuit.