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643-1AFM
Precision holographic grating standard with high contrast and excellent edge definition.
Period: 292nm pitch nominal, one dimensional array. Accuracy is +/- 1%. Calibration certificate will give the actual pitch of the standard.
Surface structure:Titanium lines on Silicon, 4x3mm dimensions. Line height (about 30nm) and line width (130nm) are not calibrated.
Usability:The calibrated pattern covers the entire chip. There is sufficient usable area to make tens of thousands of measurements without reusing any areas contaminated or altered by previous scans.
AFM: Use in contact, tapping and other modes with image sizes from 500nm to 20um. Mounted on a 12mm steel AFM disk.
SEM, Auger, FIB:Can be used for a wide range of accelerating voltage (<1kV-30kV) and calibrates images from 5kX to 200kX. Can be supplied unmounted or mounted on an SEM stub of your choice.
Certification:There is a version with a non-traceable manufacturer's certificate stating average pitch, based on batch measurements;
See Sample Certificate, Non-Traceable
There is also the traceable, certified version measured in comparison with a standard calibrated at PTB (Physiklisch-Technischen Bundesanstalt in Braunschweig, Germany, is the German counterpart of NIST). The standard is NIST traceable by virtue of the mutual recognition agreement by NIST and PTB.