Curved trim profile for ABS trimmed inductive heads
This invention relates to recording heads, and particularly to inductive heads having magnetic poles separated by a trimmed gap. A slider includes a magnetic head having first and second magnetic poles separated by a gap. A recess in the air-bearing surface extends into at least the first magnetic p...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | This invention relates to recording heads, and particularly to inductive heads having magnetic poles separated by a trimmed gap.
A slider includes a magnetic head having first and second magnetic poles separated by a gap. A recess in the air-bearing surface extends into at least the first magnetic pole and has a first portion having a length parallel to the gap length to define a gap width orthogonal to the gap length. The first portion of the recess has a curved depth defining a curved profile along its length. In one embodiment, the recess has a second portion having a length orthogonal to the gap length and a depth defining a curved profile along its length. |
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