Patent ID: 9589582
Date: 2017-03-07
CPC Classifications: G11B

Claim:
1. A perpendicular magnetic recording (PMR) writer, comprising: (a) a main pole with a leading side and a trailing side, and two sides that connect the leading and trailing sides at an air bearing surface (ABS) and proximate to the ABS, the two sides are on each side of a center plane that is orthogonal to the ABS and bisects the main pole; (b) a gap layer that surrounds the main pole at the ABS and is comprised of a write gap that contacts the trailing side, a lead gap adjoining the leading side, and a side gap contacting a side of the main pole on each side of the center plane; and (c) a shield structure including a side shield on each side of the center plane, a leading shield, and a trailing shield comprising;