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Figure 6
(a) Transmission X-ray micrograph of a star test pattern. The features in the innermost region of the pattern are of 30 nm half-period. Next-level features, ∼60 nm half-period, are well resolved by our zone plate objectives of 60 nm outermost zones. This is the pixel-by-pixel combination of ten images taken in sequence: the recording time was 20 s per picture corresponding to an overall time of 220 s including storage. Scale bar: 1 µm. (b) The individual first and last photograph from a series and the difference image. Scale bar: 2 µm. The artefacts on the edges of line features are due to refraction-related edge enhancements that do not affect our conclusions.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 21| Part 2| January 2014| Pages 376-379
doi:10.1107/S1600577513031640
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