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Summary

• Figure Caption: A slip stick actuator that provides coarse and fine positionoing modes. Coarse positioning provides long range but low precision, while fine positioning provides high precision and short range. The slip stick principle: Slow actuation of the piezo element leads to fine positioning. A combination of rapid contraction and slow extension can make the actuator move in coarse steps Δx because the force on the base becomes larger than the static friction force between the base and base plate. Reversing the direction is done by using slow contractions instead.

• This illustration was made for the Opensource Handbook of Nanoscience and Nanotechnology

• Please acknowledge the Opensource Handbook of Nanoscience and Nanotechnology if you use this illustration!

• The image also appears on the Commons/nanotechnology page

• Illustration by Kristian Molhave

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