Patent ID: 6515826
Filing Date: 2003-02-04
Classification: G11B

Abstract:
A magnetic head, comprising:a substrate; a first magnetic pole being fabricated above said substrate; a first induction coil structure being fabricated above said first magnetic pole; a second induction coil structure being fabricated upon said first induction coil structure; said second induction coil structure including an etchable insulation material layer that is fabricated upon an upper surface of said first induction coil structure, and second induction coil traces that are formed entirely within said etchable insulation material layer, and electrical interconnects that are formed through said etchable insulation material layer; said etchable insulation layer having a thickness that is greater than a thickness of said second induction coil traces; an insulative layer being disposed above said second induction coil structure; and a second magnetic pole being disposed above said insulative layer.