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MAGNETO-RESISTIVE EFFECT ELEMENT, MAGNETIC HEAD, MAGNETIC HEAD SLIDER, HEAD GIMBAL ASSEMBLY AND HARD DISK DRIVE APPARATUS
MAGNETO-RESISTIVE EFFECT ELEMENT, MAGNETIC HEAD, MAGNETIC HEAD SLIDER, HEAD GIMBAL ASSEMBLY AND HARD DISK DRIVE APPARATUS
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机译:磁阻效应元件,磁头,磁头滑块,云台头组件和硬盘驱动器
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摘要
An MR element includes a stack, being a pillar or trapezoidal stack, including first and second magnetic layers in which a relative angle formed by magnetization directions changes according to an external magnetic field, and a spacer layer that is positioned between the first magnetic layer and the second magnetic layer, and that is provided with a main spacer layer that is composed of gallium oxide, zinc oxide or magnesium oxide as a primary component, wherein, one part of side surfaces of the stack forms a part of an air bearing surface; and a cover layer that covers at least another part of the side surfaces of the stack and that is composed of gallium oxide as a primary component.
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