Controlling head heating based on upcoming data sector write...

Details Controlling head heating based on upcoming data sector write... Controlling head heating based on upcoming data sector write...

2008-09-09

2008-09-09

Sniezek, Andrew L. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S031000

Reexamination Certificate

active

11703317

ABSTRACT:
A disk drive includes a rotatable data storage disk, a head, a heater element, and a controller. The disk includes a plurality of data sectors between servo spokes. The head is configured to fly on an air cushion relative to the rotating disk while writing data on the data sectors. The heater element is attached to the head and configured to controllably heat the head responsive to a heater signal. The controller determines an upcoming pattern of selected ones of the data sectors on which data is to be written through the head in response to at least one write command from a host device, and controls the heater signal in response to the determined upcoming pattern of data sectors on which data is to be written.

REFERENCES:
patent: 6975472 (2005-12-01), Stover et al.
patent: 7330323 (2008-02-01), Singh et al.
patent: 2007/0230014 (2007-10-01), Yamashita et al.
patent: 2007/0230021 (2007-10-01), Schreck et al.

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