Agar Scientific provides source for SPM accessories Apr 6, 2009

As SPMs become more commonly used, the need for accessible and traceable standards is of great importance.

Agar supplies a range of ultra sharp silicon gratings for calibration and distortion checking of SPMs. The gratings, which have different profiles for different measurements, are manufactured using microfabrication techniques.

Gratings are available in different sizes to match user applications, for example, stepped gratings may be used for z axis calibration and non linearity measurement. Different step heights are available including 20nm and 100nm which are NIST traceable. Triangular gratings are used for lateral calibration, non linearity detection, assessment of angular distortion and determination of the radius of curvature of cantilever tips.

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