Patent ID: 6353511
Filing Date: 2002-03-05
Classification: G11B

Abstract:
A thin film write head comprising:a) a lower pole structure having a pedestal pole tip comprising CoNiFe; b) an upper pole structure comprising; (i) a pedestal pole tip comprising CoNiFe; and (ii) a yoke portion comprising: (1) a lower layer stitched to the pedestal pole tip of the upper pole structure comprising FeXN, where X is selected from the group consisting of Rh, Ta, Hf, Al, Zr Ti, Ru, Si, Cr, V, Si, Sr, Nb, Mo, Ru, and Pd; and (2) an upper layer comprising NiFe; and c) a write gap between the pedestal pole tip of the upper pole structure and the pedestal pole tip of the lower pole structure.