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High density HDD

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MFM image of high density (40 Gb) hard disk drive. Distance between magnetic bits is about 200 nm. MFM measurements were performed with special magnetically soft cantilever with permalloy coating.

high_density_hdd_2.5x2
high_density_hdd_2.5x2
High density HDD
MFM image of high density (40 Gb) hard disk drive. Distance between magnetic bits is about 200 nm. MFM measurements were performed with special magnetically soft cantilever with permalloy coating.
size: 2.5x2.5 um
SPM principle: DC MFM
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