Heat-assisted magnetic recording with shaped magnetic and thermal fields

Devices and methods are provided for heat-assisted magnetic recording (HAMR). In an illustrative example, a device includes a magnetic write pole having a convex pole tip; a magnetic opposing pole longitudinally displaced from the magnetic write pole; and a thermal-source component disposed proximat...

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Bibliographic Details
Main Authors JU GANPING, JIN XUHUI, BATRA SHARAT, ITAGI AMIT VASANT
Format Patent
LanguageEnglish
Published 21.06.2011
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:Devices and methods are provided for heat-assisted magnetic recording (HAMR). In an illustrative example, a device includes a magnetic write pole having a convex pole tip; a magnetic opposing pole longitudinally displaced from the magnetic write pole; and a thermal-source component disposed proximate to the magnetic write pole and comprising a laterally elongated thermal-source peg disposed proximate to the convex pole tip.
Bibliography:Application Number: US20080274992