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US07876531B2 Virtual front shield writer 有权
虚拟前盾作家

Virtual front shield writer
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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