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by aconz2
809 days ago
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I've been enjoying these posts about the IRIS project. I would love to see some quantitative measurements of its performance. If it works for the autofocus purpose, that is great. But I'm skeptical of calling this kinematically coupled or nanometer resolution with vhb taped non spherical balls and no preload. I wouldn't expect that to repeat very well. Also, I'm having a hard time thinking about whether you can actually use the maxwell as a trim/tram table like this, is this known? The piezo's are going to be moving in 3 slightly different axes and surely with some parasitic motion so the ball's position won't stay in radial symmetery. And they have to slide in the groove so there will be stiction. I think a linear stage at 1um would suffice because the correlation between images should be higher |
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