Thin film magnetic head with protrusion heater and...

Details Thin film magnetic head with protrusion heater and... Thin film magnetic head with protrusion heater and...

2011-04-19

2011-04-19

Heinz, A. J. (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

For adjusting head position

Reexamination Certificate

active

07929256

ABSTRACT:
A thin film magnetic head is disclosed that is capable of preventing the contact between an element portion and a recording medium and a variation in the amount of protrusion of the element portion. A thin film magnetic head includes: a reproducing element; a recording element that is formed on the reproducing element; a heater that is supplied with power and generates heat to expand at least one of the reproducing element and the recording element such that the reproducing element and/or the recording element protrude toward a recording medium; and a temperature correcting resistor that is connected in parallel to the heater and has a negative resistance temperature coefficient.

REFERENCES:
patent: 7729086 (2010-06-01), Song et al.
patent: 2005-011413 (2005-01-01), None
patent: 2006-228332 (2006-08-01), None

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