Title :
Effect of nonplanar shields on the readback performance of GMR heads
Author :
Gong, Heng ; Kelley, Vinson ; Zhang, Jing ; Seagle, Dave ; Liu, Francis ; He, Qing ; Lederman, Marcos ; Re, Mark
Author_Institution :
Read-Rite Corp., Fremont, CA, USA
fDate :
9/1/2002 12:00:00 AM
Abstract :
Using reciprocity, we studied the readback performance of GMR heads with nonplanar shields and the leads overlay structure. Both decrease the shielded sensors spatial resolution.
Keywords :
giant magnetoresistance; magnetic heads; magnetic shielding; magnetoresistive devices; GMR recording head; lead overlay structure; magnetic sensor; nonplanar shield; readback characteristics; reciprocity; spatial resolution; Coils; Geometry; Image sensors; Magnetic flux; Magnetic heads; Magnetic sensors; Magnetic shielding; Permeability; Shape; Soft magnetic materials;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2002.802687