Patent ID: 6584676
Filing Date: 2003-07-01
Classification: G11B,Y10T

Abstract:
A method for finishing a read/write head that includes a pole tip structure, the pole tip structure including a shield, a shield/pole, and a pole substantially parallel to the shield/pole, where a gap region separates the pole and the shield/pole, the method comprising:performing pole tip trimming to remove matter from the shield/pole, the pole, and the gap region to define first and second recessed areas each defining a contiguous indentation in the shield/pole, the gap region, and the pole, the recessed areas being separated by a bridge spanning between the shield/pole and the pole, the bridge including opposing extensions of the shield/pole and the pole joined by an intervening portion of the gap region; applying an overlayer to coat the pole tip structure and fill the recessed areas; trimming a substantially uniform thickness from the coated pole tip structure to remove the overlayer coating the shield, shield/pole, and pole; and continuing the trimming to remove a substantially uniform layer of the shield and shield/pole.