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How to clean a microsphere mounted on a cantilever?

Hi All, I have an ~50um microsphere mounted onto a silicon cantilever with Double Bubble 5 minute epoxy. The sphere has a metal layer about 50-100nm thick. Whenever I run an experiment with this sphere, about half way through it gets some sort of contaminant on it that changes the force properties I'm trying to observe. To attempt to clean the thing

Posted to SPM Digest (Forum) by SamRosenthal on Mon, Sep 5 2011
Getting surface roughness of a microsphere mounted on a cantilever

Hello all, I am conducting an experiment that has a hollow microsphere coated with a metal mounted onto a cantilever. I would like to measure the roughness of the metal on the microsphere. I know there are ways to characterize the tip shape based on the image it produces when imaging a known surface. Is there a way to do the same with roughness? That

Posted to SPM Digest (Forum) by SamRosenthal on Fri, Aug 5 2011

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