Scint-X manufacture very high resolution structured scintillators for x-ray indirect detectors. Today we offer off the shelf CsI:Tl filled scintillators 25 x 35 mm with pores: diameter 20 um and 200 um deep.
We can do custom design for ultra high resolution to be used with e.g a synchrotron.
Scint-X also sells a high resolution x-ray video/camera, see our website for more information.