energy band / segmented gas detector / integrated electronics / high-energy astrophysics / plane technology / High-energy electrons / gas volume / low energy / photon energy / high-energy range / keV energy band / large energy release / possible solution / energy range / asymmetric systems / rst pass algorithm / photoelectron energy loss / photon energy increases / low energy range / pixel chips / higher energy photons / high-energy / gas mixture / thicker gas gap / space applications / relative electronics / imaging / read-out electronics / energy / /