Article | December 15, 2016

Hexapod For Beamline Instrumentation Combines 6-Degrees Of Freedom With Extreme Accuracy And Repeatability

Source: PI (Physik Instrumente) LP
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Novel Sample Stage Alignment Hexapod For X-ray Microscopy And Tomography

By Dr. Markus Simon and Tim Naumann, PI miCos GmbH, Eschbach

Within synchrotron-based, sub-micrometer, hard X-ray tomography applications, the sample rotation axis must be aligned with high stability and within five degrees of freedom with respect to its field of view, lens, detector, or the beam itself. A hexapod-type parallel kinematic machine (PKM) is able to provide six degrees of freedom, an arbitrary pivot point option, and a compact, stiff design that is well suited for this purpose. This blog article discusses a tomography application challenge and how a hexapod positioning system is used to provide the solution. Download the article for more information.