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Hi,
I notice that, in the termal tune method, there is a correction by considering the bending shapes for each mode. This correction is different for rectangular cantilever and v-shaped cantilever. But i didn't find any possibility to choose between the two shape during the thermal tune procedure. How does the software concerning this factors? is it implemented or will it be ? is it significant ?
Thanks for your answer
Regards
Guillaume
Guillaume,
The correction should be set to 1.106 for rectangular cantilevers and 1.144 for v-shaped cantilevers. This is left as a numeric parameter rather than just a shape selection since some users may prefer other corrections.
A full discussion of the correction can be found in my spring constant calibration application note. An explanation of the two corrections is given on pages 5-6 and the specific recommendations for NanoScope software on page 10
Regards,
-Ben