Title :
Effect of head domain asymmetry on a recording track
Author :
Guo, Zhenzhou ; Torre, Edward Della
Author_Institution :
Inst. for Magnetics Res., George Washington Univ., Washington, DC, USA
fDate :
5/1/1996 12:00:00 AM
Abstract :
The effects of the domain structure in the write head on a recording track are modeled by studying the magnetic field distribution generated by a thin film inductive head such as those used in high density recording on hard disks. The magnetic field around the head gap is calculated in three dimensions from a magnetization configuration generated by a two-dimensional micromagnetic model. Domain variations inside the recording head produce asymmetries in the recording track due to the presence of closure domains in the head. The effects of this asymmetry on overwrite are discussed
Keywords :
magnetic domains; magnetic heads; closure domains; domain asymmetry; hard disk; high density recording; magnetic field distribution; overwrite; recording track; thin film inductive head; three dimensional magnetization; two-dimensional micromagnetic model; write head; Disk recording; Geometry; Hard disks; Magnetic fields; Magnetic films; Magnetic heads; Magnetic recording; Magnetization; Micromagnetics; Timing; Transistors;
Journal_Title :
Magnetics, IEEE Transactions on
