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Magnetic recording medium with high density thin dual carbon overcoats
Magnetic recording medium with high density thin dual carbon overcoats
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机译：具有高密度双碳薄涂层的磁记录介质
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摘要
A magnetic recording medium is formed with dual carbon-containing protective layers having a combined thickness of less than about 100 Å with high corrosion resistance and superior magnetic performance. Embodiments of the present invention include sputter depositing a first protective layer of hydrogenated carbon at a density of at least 1.9 while applying a DC bias of about 250V to about 400V to the substrate, and sputter depositing a second protective layer comprising nitrogen-doped hydrogenated carbon on the first protective layer.
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