Magnetic head with spin torque oscillator and magnetic recording head

Magnetic head with spin torque oscillator and magnetic recording head

An example magnetic head includes a recording pole to generate a recording magnetic field, a spin torque oscillator formed in the vicinity of the recording magnetic pole and a hard bias film provided at both end portions of a bias layer and an oscillation layer of spin torque oscillator. The hard bi...

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Bibliographische Detailangaben
Hauptverfasser: FUNAYAMA TOMOMI, IWASAKI HITOSHI, YAMADA KENICHIRO, TAKAGISHI MASAYUKI, SHIMIZU MARIKO, AKIYAMA JUNICHI, TAKASHITA MASAHIRO
Format: Patent
Sprache:eng
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Beschreibung
Zusammenfassung:An example magnetic head includes a recording pole to generate a recording magnetic field, a spin torque oscillator formed in the vicinity of the recording magnetic pole and a hard bias film provided at both end portions of a bias layer and an oscillation layer of spin torque oscillator. The hard bias film is configured to apply a magnetic field to the bias layer and the oscillation layer.