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giant magnetoresistance |
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giant magnetoresistance [¦j̄i·ənt ‚mag·nēd·ō·ri′zis·təns] (solid-state physics) A very large decrease in electrical resistance upon application of a magnetic field in certain structures composed of alternating layers of magnetic and nonmagnetic metals. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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A particular type of thin-film magnetic device called a spin-valve can be engineered to have two stable states of electrical resistance based on the relative magnetization orientation of its What he called a "dual spin-valve design" helps to reduce the bit-error rate and a new combination of metallic "layers" increases the head's sensitivity. Fujitsu's spin-valve heads are smaller, lighter, and more sensitive than previous generations, allowing them to fly at a lower height and access data more quickly. |
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