Patent ID: 6042897
Filing Date: 2000-03-28
Classification: G11B

Abstract:
A method of manufacturing a combination read/write thin film magnetic head comprising a lower core layer of a magnetic material, an upper core layer of a magnetic material provided opposite to the lower core layer and having a width smaller than the width of the lower core layer, a gap layer interposed between the lower core layer and the upper core layer, wherein the lower core layer has a portion where the upper core layer and the lower core layer are not opposite to each other; the method comprising the steps of:forming a non-magnetic material layer on the lower core layer;forming the upper core layer on the non-magnetic material layer, where the upper core layer has a width smaller than the width of the non-magnetic material layer, wherein the non-magnetic material layer has a portion where the upper core layer and the non-magnetic material layer are not opposite to each other;removing the portion of the non-magnetic material layer where the upper core layer and the lower core layer are not opposite to each other, leaving the non-magnetic material layer between the upper core layer and the lower core layer to form the gap layer; andforming a shielding magnetic layer of a soft magnetic material on both sides of the gap layer in the direction of the track width.