Title :
3-D analysis of the playback signal in perpendicular recording for an off-centered GMR element
Author :
Valcu, Bogdan ; Bertram, H. Neal
Author_Institution :
Center for Magnetic Recording Res., California Univ., San Diego, La Jolla, CA, USA
fDate :
9/1/2002 12:00:00 AM
Abstract :
The playback signal characteristics in perpendicular recording are analyzed using three-dimensional geometry. Analytical expressions are deduced for both the width of the pulse and the asymptotic value taken by the signal when the sensor is far away from the transition.
Keywords :
frequency-domain analysis; giant magnetoresistance; magnetic heads; magnetic sensors; perpendicular magnetic recording; 3D analysis; analytical expressions; asymptotic value; off-centered GMR element; perpendicular recording; playback signal characteristics; pulse width; three-dimensional geometry; Fourier transforms; Geometry; Magnetic analysis; Magnetic flux; Magnetic heads; Magnetic sensors; Perpendicular magnetic recording; Pulse shaping methods; Shape; Signal analysis;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2002.801838