Abutted junction GMR read head with an improved hard bias...

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

Reexamination Certificate

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Reexamination Certificate

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07016165

ABSTRACT:
A method for forming a spin-valve type abutted junction GMR sensor element with a thinner hard magnetic longitudinal bias layer having significantly improved magnetic properties in the junction region and a spin-valve type abutted junction GMR sensor element with a thinner hard magnetic longitudinal bias layer having significantly improved magnetic properties in the junction region fabricated according to that method.

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E.W. Singleton et al., “Effects of Cr, Cr V, and CrTi Underlayers on Magnetic Structural, and Materials Reliability Properties of Copt Thin Films”, Jrnl of Applied Physics, vol. 85, No. 8, Apr. 15, 1999, pp. 5840-5842.
N. Inaba et al., Magnetic and Crystallographic Properties of CoGpt Thin Films Formed Cruti Single Crystalline Underlayers, Jrnl of Applied Physics, vol. 79, No. 8, Apr. 15, 1996, pp. 5354-5356.

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