Magneto-resistive head having a thermally conductive layer

Details Magneto-resistive head having a thermally conductive layer Magneto-resistive head having a thermally conductive layer

2008-05-27

2008-05-27

Evans, Jefferson (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

C360S134000

Reexamination Certificate

active

10869661

ABSTRACT:
A magneto-resistive head, a magnetic tape and a magnetic tape recording/reproducing system, which are capable of suppressing the formation of protrusions around a magneto-resistive element, thereby preventing the occurrence of such problems as spacing loss and tape damage, are provided. A thermally conductive member that is connected to the magneto-resistive element is formed of a material having a thermal conductivity greater than 20 W/m·K so as to efficiently release the heat generated when the magneto-resistive element is in use and suppress the rise in temperature around the magneto-resistive element. In addition, by selecting, for a lubricant layer formed on the surface of the magnetic tape, a material whose melting point is higher than the operating temperature of the magneto-resistive element, the lubricant layer is prevented from melting even when the magneto-resistive element is in use and when the temperature of the magnetic head thus rises.

REFERENCES:
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patent: 61-294637 (1986-12-01), None
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patent: 2000-090417 (2000-03-01), None
patent: 2001-043517 (2001-02-01), None
patent: 2003-132521 (2003-05-01), None

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