Patent ID: 8947828
Filing Date: 2015-02-03
Classification: G11B,Y10T

Abstract:
1. An apparatus, comprising: a main pole; at least one side shield positioned near one or more sides of the main pole in a cross-track direction; and a trailing shield positioned near a trailing side of the main pole, wherein the trailing shield comprises a multi-bump structure having at least six trailing junctures on a side of the trailing shield facing the main pole, each trailing juncture defining a region where two surfaces of the trailing shield are joined, wherein a first trailing juncture is positioned at a media-facing surface of the trailing shield, a sixth trailing juncture is positioned away from the media-facing surface of the trailing shield, and second, third, fourth, and fifth trailing junctures are positioned along the side of the trailing shield facing the main pole between the first trailing juncture and the sixth trailing juncture, wherein a first face of the trailing shield is positioned between the fourth trailing juncture and the fifth trailing juncture, wherein a second face of the trailing shield is positioned at an end of the trailing shield positioned opposite the media-facing surface of the trailing shield, and wherein an element height of the first face of the trailing shield is less than an element height of the second face.