X-ray microfocussing combined with microfluidics for on-chip X-ray scattering measurements
Lab on a Chip2006Vol. 6(4), pp. 494–494
Citations Over TimeTop 10% of 2006 papers
R. Barrett, Marc Fauçon, John Lopez, Gabriel Cristóbal, Fanny Destremaut, Arash Dodge, Pierre Guillot, Philippe Laval, Chloë Masselon, Jean‐Baptiste Salmon
Abstract
This work describes the fabrication of thin microfluidic devices in Kapton (polyimide). These chips are well-suited to perform X-ray scattering experiments using intense microfocussed beams, as Kapton is both relatively resistant to the high intensities generated by a synchrotron, and almost transparent to X-rays. We show networks of microchannels obtained using laser ablation of Kapton films, and we also present a simple way to perform fusion bonding between two Kapton films. The possibilities offered using such devices are illustrated with X-ray scattering experiments. These experiments demonstrate that structural measurements in the 1 A-20 nm range can be obtained with spatial resolutions of a few microns in a microchannel.
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