X-ray components, namely, X-ray tubes; X-ray apparatus in the nature of optics and detectors; X-ray instruments, namely, X-ray microscopes and X-ray laminography comprising X-ray tubes and spatially resolving X-ray detectors; X-ray fluorescence systems comprising X-ray tubes and energy resolving X-ray detectors; X-ray absorption spectroscopy systems comprising X-ray tubes, crystal analyzers, and X-ray detectors; all of the foregoing for studying microstructure, chemistry, and composition of m...