Seagate Technology Incorporated

Tae Won Kim

Haejung Lee

Jung Wook Hur

Tae Young Kim

Technologies are described herein for utilizing a head heater to test temperature stability of a head of a storage device and to prevent the head from operating in an unstable temperature condition. A temperature condition of a read/write head in a storage device is ascertained and it is determined whether the temperature condition is within a predetermined range of temperature conditions in which the read/write head exhibits instability. If the temperature condition of the read/write head is within the predetermined range, a power level of a head heater of the read/write head is adjusted to change the temperature condition of the read/write head to be outside of the predetermined range.

Heater to keep reader head in stable temperature range

Methods and apparatuses are implemented to cause a first contact event between a slider and a magnetic recording medium at a first operating temperature, the slider comprising at least a writer, a writer heater, a reader, and a reader heater. Methods and apparatuses are implemented to cause a second contact event between the slider and the medium at a second operating temperature different from the first operating temperature, determine a flying height displacement of the slider for the contact events, and optionally store the flying height displacement.

Apparatus and method for measuring pole tip protrusion ratio for a slider

Technologies are described herein for utilizing a head heater to test temperature stability of a head of a storage device and to prevent the head from operating in an unstable temperature condition. A first power level may be applied to a head heater of a head in a storage device, the first power level configured to simulate a temperature condition in the head. An instability of the head is determined and the temperature condition and the instability of the head are recorded in a memory. The process may be repeated to develop a range of temperature conditions in which the head exhibits instability. The range of temperature conditions and the head heater may then be utilized to prevent the head from operating in an unstable temperature condition during normal operation.

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Yong-In, South Korea

Tae Won Kim