Virtual front shield writer

Details Virtual front shield writer Virtual front shield writer

2011-01-25

2011-01-25

Blouin, Mark (Department: 2627)

Dynamic magnetic information storage or retrieval

Record medium

Drum

Reexamination Certificate

active

07876531

ABSTRACT:
A magnetic writer includes a first write element and a second write element. The first write element produces a first field when a first current is passed through a first coil. The second write element, which is disposed relative to the first write element, produces a second field when a second current is passed through a second coil such that the second field at least partially opposes the first field.

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