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US 7,948,713 B2Granted
Magnetic head slider using giant magnetostrictive material
AssigneeTDK Corporation
InventorsNaoki Ohta, Kei Hirata
Life of this patent
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Abstract
A magnetic head slider includes at least one thin-film magnetic head formed on a trailing surface of the magnetic head slider, and an ABS to be faced a magnetic disk in operation. At least a part of the ABS is made of a giant magnetostrictive material.
Claims5
A magnetic disk drive apparatus including a magnetic disk, a magnetic head slider, and a suspension fixing and supporting said magnetic head slider, said magnetic head slider comprising:
- at least one thin-film magnetic head formed on a trailing surface of said magnetic head slider;
- an air bearing surface to face a magnetic disk in operation;
- and
- a giant magnetostrictive material member fixed to a substrate, wherein
- said air bearing surface is formed on said giant magnetostrictive material member such that a space between said at least one thin-film magnetic head and a surface of said magnetic disk increases when said air bearing surface comes closer to the magnetic disk surface.
2 more elements
Dependencies are inferred from the claim text.