Recent Development of Magnetic Recording Head Materials for Hard Disk Drive (HDD) Device

Abstract. As the demand for magnetic recording density of hard disk drive (HDD) has increased d~amaticallyover time, many researcher and technologists are wor/ringtoward increasing the amount of i1iformation that can be stored onto disc drives. By increasing the areal density, write head performance should be increased For u/tra-high-density magnetic recording. the current requirementsfor the write head core material are asfollows: (J) high-saturationmagneticflux de1f$ity (B