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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Precis Eng. 2016 Apr 2;46:88–95. doi: 10.1016/j.precisioneng.2016.04.003

Fig. 9.

Fig. 9

Comparison of cone angle measurements obtained using SEM and using our optical method. The dashed line indicates 1-1 agreement. Correcting for the tilt in the SEM image (using Eq. 3) improved agreement. Optical cone angle measurements differed from corrected SEM measurements by −0.23 ± 2.32°.