Patent ID: 7726009
Filing Date: 2010-06-01
Classification: G11B,Y10T

Abstract:
1. A method of fabricating a write head for perpendicular recording, the write head comprising a pole, a shield in proximity to the pole, and a gap between the pole and the shield, the method comprising: forming a pole layer on an undercoat layer; forming a mask over at least a portion of the pole layer; forming the pole by removing material from the pole layer, the pole having a top surface, a first side, and a second side; forming a first gap portion of the gap along the first side and along the second side of the pole, the first gap portion comprising a first gap material; forming a protective layer over at least a portion of the first gap portion; removing the mask; removing the protective layer; forming a second gap portion of the gap over at least the top surface of the pole, the second gap portion comprising a second gap material different from the first gap material; and forming the shield over at least the second gap portion.