Magnetoresistive device and method of manufacturing same,...

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

Reexamination Certificate

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Reexamination Certificate

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10761411

ABSTRACT:
A reproducing head of a thin-film magnetic head incorporates an MR element, a pair of bias field applying layers located to be adjacent to the side portions of the MR element, and a pair of electrode layers that are located on the bias field applying layers and overlap the MR element. The electrode layers each have a first layer that is laid over part of the top surface of the MR element via a protection layer, and a second layer that overlaps the first layer. In the method of manufacturing the reproducing head, after forming the protection layer on an element-to-be film to make the MR element, a first electrode-to-be film to make the first layers is formed continuously without interposing a step of exposing the protection layer to the air.

REFERENCES:
patent: 6226158 (2001-05-01), Pinarbasi
patent: 6344953 (2002-02-01), Kautzky et al.
patent: 6407004 (2002-06-01), Kimura et al.
patent: 6493194 (2002-12-01), Sakaguchi et al.
patent: 6813121 (2004-11-01), Pinarbasi
patent: 2003/0179509 (2003-09-01), Pinarbasi
patent: A 11-224411 (1999-08-01), None
patent: A 2000-76629 (2000-03-01), None

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