Patent ID: 8692646

Claim:
A manufacturing method of a piezoresistive type touch panel comprising: manufacturing a polymer membrane in which a piezoresistive type film pattern, of which resistance varies with applied pressure, is embedded; manufacturing a spacer layer and attaching one side of the spacer layer to a surface of the polymer membrane; and attaching a bottom substrate to the other side of the spacer layer, wherein the step of manufacturing a polymer membrane comprises: (a) forming a intermediate layer on a substrate; (b) forming a carbon nanotube film layer or a metal nanowire film layer on the intermediate layer; (c) patterning the carbon nanotube film layer or the metal nanowire film layer to form a carbon nanotube film pattern or a metal nanowire film pattern on the intermediate layer; (d) applying a polymer solution over the intermediate layer on which the carbon nanotube film pattern or the metal nanowire film pattern is formed, and curing the applied polymer solution to form a polymer membrane including the carbon nanotube film pattern or the metal nanowire film pattern; and (e) separating the polymer membrane including the carbon nanotube film pattern or the metal nanowire film pattern from the intermediate layer.