AFM Tip Convolution Calculator

Deconvolved feature width from AFM tip radius correction.

Tip Radius (nm)

Apparent Width (nm)

Feature Height (nm)

Scan Rate (Hz)

Tab to move between fields

Real Width (nm)

35.86

Tip Broadening (nm)

14.14

Broadening (%)28.3

Feature Aspect Ratio0.14

Tip Can Resolve? (1=Yes)1

Lateral Resolution (nm)1.41

Max Resolvable AR0.32

How to Use This Calculator

Enter the AFM tip radius (nm) from the manufacturer's specification or SEM measurement.
Enter the apparent (measured) feature width (nm) and feature height (nm) from your scan.
Set the scan rate (Hz) to check if tip velocity limits resolution for your sample.
Review the real (tip-deconvoluted) feature width, tip broadening (nm and %), and aspect ratio.
If broadening exceeds 30%, use a sharper tip (smaller radius) or apply tip deconvolution algorithms.

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