Patent ID: 6658722
Filing Date: 2003-12-09
Classification: G11B,H05K,Y10T

Abstract:
A process for producing a magnetic head suspension, comprising steps of:(a) forming a polyimide precursor layer over a springy material layer; (b) forming a metal layer for lines over the polyimide precursor layer; (c) patterning the metal layer by forming a line pattern resist layer over the metal layer, etching the metal layer with an etching solution and peeling away the line pattern resist layer, to form patterned lines; (d) patterning the polyimide precursor layer by a photolithographic technique so as to give a desired configuration; (e) imidating the patterned polyimide precursor layer to produce a polyimide insulating base layer; and (f) forming a cover coat layer over the lines, wherein the metal layer is only patterned during step (c).