Hard disk

Left: AFM image of hard disk surface topography;
Right: MFM image of hard disk tracks.
Images were obtained using the two-pass technique and characterize the same area.

Hard disk

Left: AFM image of hard disk surface topography;
Right: MFM image of hard disk tracks.
Images were obtained using the two-pass technique and characterize the same area.
size: 15x16 um
SPM principle: DC MFM

Hard Drive 320 GB

Magneto-Optical Disk

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