Permalloy sensor having individual permalloy resist pattern...

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

Reexamination Certificate

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C324S252000

Reexamination Certificate

active

10811473

ABSTRACT:
A permalloy sensor having high sensitivity is presented A substrate and a sensor has a first surface having a wafer level anisotropy in a given direction. A permalloy resistor pattern of individual runners is deposited on the surface such that the mechanical length of each of said individual runners is perpendicular to the wafer level anisotropy to cause the sensor to have an anisotropy of about 90°. The permalloy is deposited as a thin film and a silicon wafer is the preferred substrate.

REFERENCES:
patent: 4533872 (1985-08-01), Boord et al.
patent: 4589038 (1986-05-01), Radtke
patent: 4739657 (1988-04-01), Higashi et al.
patent: 5351005 (1994-09-01), Rouse et al.
patent: 5551283 (1996-09-01), Manaka et al.
patent: 6633462 (2003-10-01), Adelerhof
patent: 6717403 (2004-04-01), Witcraft et al.
patent: 6744248 (2004-06-01), Buchhold et al.
patent: 7064937 (2006-06-01), Wan et al.
patent: 7094480 (2006-08-01), Nguyen Van Dau et al.
patent: 2004/0165319 (2004-08-01), Wan et al.
patent: 2004/0207035 (2004-10-01), Witcraft et al.
patent: 2004/0207400 (2004-10-01), Witcraft et al.
patent: 2004/0254726 (2004-12-01), Witcraft et al.
patent: WO 86/00986 (1986-02-01), None
patent: WO 99/61931 (1999-12-01), None

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