Driven by needs from scientific research, healthcare and industrial manufacturing, X-ray microscopy has been successfully transferred from synchrotrons to the laboratory and the spatial resolution has been pushed to sub-micrometer. One way to further improve the resolution is to use an X-ray source with a very small focal spot. At Excillum, based on advanced electron beam and target technologies, a state-of-art nanofocus x-ray tube has been developed which enables an isotropic, resolution of 150 nm line-spacing all the way up to 160 kV of acceleration voltage.
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