US 7,430,095 B2
Tapered write pole for reduced skew effect
Mourad Benakli, Shrewsbury, Mass. (US); Michael Mallary, Sterling, Mass. (US); and Adam F. Torabi, Shrewsbury, Mass. (US)
Assigned to Maxtor Corporation, Scotts Valley, Calif. (US)
Filed on Apr. 11, 2007, as Appl. No. 11/786,266.
Application 11/786266 is a division of application No. 10/993915, filed on Nov. 18, 2004, granted, now 7,324,304.
Claims priority of provisional application 60/523556, filed on Nov. 20, 2003.
Prior Publication US 2007/0247747 A1, Oct. 25, 2007
Int. Cl. G11B 5/127 (2006.01)
U.S. Cl. 360—125.15  [29/603.18; 29/603.07] 19 Claims
OG exemplary drawing
 
1. A method for producing a tapered write pole in a read/write head for a disk drive, the method comprising:
providing a substrate;
applying a photo resist mask to a portion of the substrate;
depositing an insulative material to a portion of the substrate adjacent to the photo resist mask, at least a portion of the insulative material being formed in a ramp;
removing the photo resist mask;
applying a write pole tip layer on top of the substrate and insulative ramp;
planarizing the write pole tip layer and insulative ramp to substantially create a plane; and
lapping the entire structure to create an ABS surface,
wherein the slope of the ramped insulative material relative to the substrate is less than 15 degrees.