Thin-film magnetic head with heater spaced further from...

Dynamic magnetic information storage or retrieval – Head – Magnetoresistive reproducing head

Reexamination Certificate

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Details

C360S125740, C360S294700, C360S319000

Reexamination Certificate

active

07623322

ABSTRACT:
The present invention relates to a thin-film magnetic head with a heater. A thin-film magnetic head includes a substrate, a magnetic read head element that has a shield area and is formed on the substrate, a magnetic write head element that has a pole area and is formed on the opposite side of the substrate with respect to the magnetic read head element, an overcoat layer that covers the magnetic read head element and the magnetic write head element and is formed on the substrate, a heater that heats at least during the magnetic read head element or the magnetic write head element in operation and is formed in the overcoat layer, and a slit area that splits the shield area in a shield length direction and is made of lower thermal conductivity material than the one of the shield area.

REFERENCES:
patent: 5991113 (1999-11-01), Meyer et al.
patent: 2002/0191326 (2002-12-01), Xu et al.
patent: 2003/0099054 (2003-05-01), Kamijima
patent: 2003/0174430 (2003-09-01), Takahashi et al.
patent: 2004/0017638 (2004-01-01), Sato
patent: 2004/0201920 (2004-10-01), Koide et al.
patent: 2004/0218306 (2004-11-01), Sato et al.
patent: 2004/0246630 (2004-12-01), Otomo
patent: 2003-168274 (2003-06-01), None
patent: 2003-272335 (2003-09-01), None
patent: 2004-55067 (2004-02-01), None
patent: 2004-79115 (2004-03-01), None
patent: WO 02/37480 (2002-05-01), None

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