Fig. 17
From: The Design of the Emission Layer for Electron Multipliers

a Schematic diagram of the transition layer of the double layer structure, b schematic diagram of the Al2O3 transition layer and incident electron depth, c schematic diagram of the MgO transition layer and incident electron depth, d schematic diagram of the Al2O3/MgO transition layer, e schematic diagram of the MgO/Al2O3 transition layer