Patent ID: 6118629
Filing Date: 2000-09-12
Classification: G11B,Y10T

Abstract:
A magnetic head comprising:a substrate having a first yoke layer formed thereon;a stack of layers formed on said first yoke layer, said stack of layers including a gap layer disposed between a first pole tip layer and a second pole tip layer, said second pole tip layer being disposed farther from said first yoke layer than said first pole tip layer, said first and second pole tip layers being formed of high magnetic moment material, said first pole tip layer further including first and second sidewalls, and said second pole tip layer further including third and fourth sidewalls, wherein said first sidewall is coplanar with said third sidewall and said second sidewall is coplanar with said fourth sidewall;a second yoke layer having a portion thereof disposed in contact with said second pole tip layer; anda first coil layer disposed between said first and second yoke layers, said first coil layer being dielectrically separated from said first and second pole tip layers, wherein said first pole layer and said first coil layer are formed in at least one cavity formed in said substrate.