Patent ID: 8228633
Filing Date: 2012-07-24
Classification: G11B

Abstract:
1. A magnetic transducer having an air-bearing surface (ABS) comprising: an underlayer; a main pole residing on the underlayer and having a front and a rear, the front at the ABS and the rear distal from the ABS, the main pole also including a first portion having a first magnetic moment and a second portion having a second magnetic moment, the first portion having a front face at the ABS and terminating between the ABS and the rear of the main pole, a part of the second portion residing on the first portion, another part of the second portion residing between the first portion of the main pole and the rear of the main pole such that a line normal to the ABS passing through the first portion also passes through the other part of the second portion of the main pole, the first magnetic moment being less than the second magnetic moment.