Patent ID: 6710973
Filing Date: 2004-03-23
Classification: G11B,Y10S

Abstract:
A single pole type recording head, comprising:a first pole; a second pole including an upper, a lower, and two lateral side surfaces, and further including an air bearing surface which is generally perpendicular to said upper, lower and two lateral side surfaces, said lower surface and upper surface defining a leading side and a trailing side of the second pole; a gap layer formed between the first and second poles, wherein the width of a surface of the first pole facing the gap layer is larger than the width of said lower surface of the second pole facing the gap layer, further wherein the width of said lower surface of the second pole is smaller than the width said upper surface of the second pole which is opposite to said lower surface, and further wherein an angle formed between the upper surface and both lateral sides to the upper surface of the second pole is an acute angle, further wherein the second pole is tapered on at least the leading side or the trailing side in the direction of the flying height as viewed from the air bearing surface.