Agilent Technologies E5022A Operation Manual page 312

Hard disk read/write test system
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Figure 5-57
Drive Configuration Parameters (Radius, Skew Angle)
Computation of Skew
Equations for solving Skew Angle An equation must be established that will show the
relationship of these parameters in determining skew angle with respect to radius.
r
skew
Pivot point
PC
PG
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The radius between spindle center and reference point.
The skew angle created relative to the reference point. It is also
defined as the angle formed when the head is not perpendicular to the
spindle.
Rotating axis of the pivot arm.
Pivot to Center, is the distance from pivot point to spindle center.
Pivot to Gap, is the distance from pivot point to gap.
Measurement Definition
Drive Setup/Control
311

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