Magnetic heads for perpendicular recording with trapezoidal pole tips
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United States of America Patent
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Oct 26, 2004
Issued Date -
N/A
app pub date -
Dec 31, 2003
filing date -
Aug 20, 2001
priority date (Note) -
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Abstract
Electromagnetic transducers are disclosed having write poles with a leading edge that is smaller than a trailing edge, which can reduce erroneous writing for perpendicular recording systems. The write poles may have a trapezoidal shape when viewed from a direction of an associated medium. The write poles may be incorporated in heads or sliders that also contain read elements such as magnetoresistive sensors, and may be employed with information storage systems such as disk drives.
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