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1997•Journal of the Magnetics Society of JapanOpen access

Yoke-type Vertical GMR Head

Kiyoshi Yamakawa, K. Shintaku, Naoki Honda, K. Ouchi

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Abstract

A yoke-type GMR head with a vertical configuration where the sense current flows through the magnetic yoke films was studied. A large magnetoresistance change was obtained for test structures on a wafer consisting of a spin valve GMR sensor and CoZrNb yoke films. It was also found that offsets in the response curves were observed depending on the overlapped area between sensors and yokes.

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What this paper is about

A yoke-type GMR head with a vertical configuration where the sense current flows through the magnetic yoke films was studied. A large magnetoresistance change was obtained for test structures on a wafer consisting of a spin valve GMR sensor and CoZrNb yoke films. It was also found that offsets in the response curves were observed depending on the overlapped area between sensors and yokes.

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Available abstract

A yoke-type GMR head with a vertical configuration where the sense current flows through the magnetic yoke films was studied. A large magnetoresistance change was obtained for test structures on a wafer consisting of a spin valve GMR sensor and CoZrNb yoke films. It was also found that offsets in the response curves were observed depending on the overlapped area between sensors and yokes.

Key concepts: Yoke (aeronautics), Head (geology), Giant magnetoresistance, Wafer, Magnetoresistance, Materials science, Electrical engineering, Acoustics

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