Interacting Effects Induced by Two Neighboring Pits Considering Relative Position Parameters and Pit Depth.

The Relationship between θ th and Pit Depth As mentioned in Section 3.1.2 , the threshold angle θ th generally shows a decreasing trend with the increase of the pit depth, that is, θ th is 55°, 45°, and 30° for double shallow ( d = 30 μm), hemi-spherical ( d = 50 μm), and deep pits ( d = 100 μm), respectively.

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