Patent ID: 6072672
Filing Date: 2000-06-06
Classification: G11B,Y10T

Abstract:
A magnetic write head comprising:first and second pole tip layers of first and second pole piece layers respectively and a gap layer, the first pole tip layer having top and bottom surfaces, the bottom surface defining a plane of orientation;the gap layer being sandwiched between the first and second pole tip layers;the gap layer having a base directly on the top surface of the first pole tip layer and being bounded by said base, a top and first and second side walls and having first and second corners which are located at intersections of the first and second side walls with said base, the second pole tip layer being a pedestal with a base directly on the top of the gap layer and being bounded by its base, a top and first and second side walls;the top surface of the first pole tip layer having first and second notches adjacent the first and second corners respectively of the gap layer;the top surface of the first pole tip layer having first and second surface portions extending from the first and second notches respectively away from the gap layer; andeach of the first and second surface portions of the first pole tip layer extending upwardly from each of the first and second notches respectively with a slope that makes a positive angle with respect to said plane of orientation.