Ampere wire write head with confined magnetic fields

Details Ampere wire write head with confined magnetic fields Ampere wire write head with confined magnetic fields

2007-05-01

2007-05-01

Wellington, Andrea (Department: 2627)

Dynamic magnetic information storage or retrieval

General recording or reproducing

C360S122000, C360S128000

Reexamination Certificate

active

10869444

ABSTRACT:
A magnetic recording head comprises a write pole having a tip adjacent to an air bearing surface of the recording head, a return pole magnetically coupled to the write pole, a conductor positioned adjacent to an edge of the write pole at the air bearing surface, a first conductive heat sink connected to the conductor, and a second conductive heat sink connected to the conductor, wherein at least a portion of each of the first and second conductive heat sinks is positioned adjacent to the air bearing surface and wherein each of the first and second conductive heat sinks includes a structure for augmenting confinement of a magnetic write field adjacent to the write pole. Magnetic storage devices that include the magnetic recording head are also included.

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M. Mallary et al., “One Terabit per Square Inch Perpendicular Recording Conceptual Design,”IEEE Transactions on Magnetics, vol. 38, No. 4, Jul. 2002, pp. 1719-1724.

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