Magnetic disk using a glass substrate
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United States of America Patent
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Jul 12, 2005
Grant Date -
Aug 19, 2004
app pub date -
Feb 17, 2004
filing date -
Feb 17, 2003
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Abstract
In a magnetic disk having a glass substrate, an amorphous underlayer is formed on the glass substrate. A magnetic layer is formed on the amorphous underlayer. The glass substrate is provided with a texture formed to induce magnetic anisotropy in the magnetic layer. The amorphous underlayer contains a group IVa element on a glass substrate side and a group Va element on a magnetic layer side.
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