Patent ID: 6507456
Filing Date: 2003-01-14
Classification: G11B

Abstract:
A magnetic head including a write head, comprising:a first magnetic pole; a first etch stop layer being disposed above said first magnetic pole; a first induction coil structure being fabricated upon said first etch stop layer, said first induction coil structure including a first layer of etchable insulation material being disposed above said first etch stop layer, and a plurality of first induction coil traces being disposed within first coil trenches formed within said first layer of etchable insulation material; a second etch stop layer being disposed above said first induction coil structure; a second induction coil structure being fabricated upon said second etch stop layer, said second induction coil structure including a second layer of etchable insulation material being disposed above said second etch stop layer, and a plurality of second induction coil traces being disposed within second coil trenches formed within said second layer of etchable insulation material; an insulative layer being disposed above said second induction coil structure; and a second magnetic pole being disposed above said insulative layer.