Estimation and control of head fly height

Details Estimation and control of head fly height Estimation and control of head fly height

2007-04-30

2008-12-23

Olson, Jason C (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S031000

Reexamination Certificate

active

07468856

ABSTRACT:
Various embodiments are disclosed that control head fly height based on estimates of head fly height. The fly height clearance between the head and a data storage media is estimated. Heating of the head by a heater element is then regulated in response to the estimated fly height.

REFERENCES:
patent: 7310195 (2007-12-01), Schreck et al.
patent: 2007/0195449 (2007-08-01), Feist et el.
patent: 2007/0230020 (2007-10-01), Leis

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