Advances in Tribology / 2013 / Article / Fig 9

Research Article

A Correlative Defect Analyzer Combining Glide Test with Atomic Force Microscope

Figure 9

Correlated images of a media defect from a teardown disk sample. (a) Bright field image. The defect is very small but can be seen as speck of dark spot in the center of the image. (b) Dark field image. The defect is more visible and a scratch is also revealed against the dark background. (c) AFM images before the burnish sweeps. (d) AFM images after the burnish sweeps.
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(a) Bright field
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(b) Dark field
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(c) AFM image before burnish
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(d) AFM image after burnish