Patent ID: 6377423
Filing Date: 2002-04-23
Classification: B82Y,G11B,Y10T

Abstract:
A magnetic head that has an air bearing surface (ABS) and a yoke region between a pole tip region and a back gap region wherein the pole tip region is partially bounded by said ABS, comprising:a first pole piece that is located in said pole tip, yoke and back gap regions; a write gap layer on the first pole piece in said pole tip region; a second pole tip layer with a first surface on the write gap layer in the pole tip region; a coil layer having multiple spaced apart turns with a second surface on the first pole piece in the yoke region; a write coil insulation layer with a third surface located between the turns of the coil layer and between the coil layer and the second pole tip layer; the first, second and third surfaces forming a first common flat surface; a top insulation layer on the common flat surface covering the second surface of the turns of the coil layer; and a second pole piece layer on the top insulation layer and engaging the second pole tip layer in the pole tip region and engaging the first pole piece in the back gap region.