Systems and methods for protecting a sensitive device from...

Details Systems and methods for protecting a sensitive device from... Systems and methods for protecting a sensitive device from...

2008-07-01

2010-02-02

Wong, K. (Department: 2627)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of biasing or erasing

C360S097020

Reexamination Certificate

active

07656602

ABSTRACT:
A method for protecting a magnetic head according to one embodiment includes reducing a relative humidity in a vicinity of a magnetic head by passing an elevated bias current through a sensor of the head during at least some time periods when the sensor is not in use for reading data, the elevated bias current being chosen to be sufficient to heat the sensor to a level which will reduce the local relative humidity to below a threshold level for reducing or eliminating corrosion of the sensor. Additional methods are also presented.

REFERENCES:
patent: 4167725 (1979-09-01), Shimizu et al.
patent: 4467382 (1984-08-01), Huisman
patent: 5327315 (1994-07-01), Nouchi et al.
patent: 5729398 (1998-03-01), Nouchi et al.
patent: 7551385 (2009-06-01), Biskeborn et al.
patent: 04-298841 (1992-10-01), None

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