Overall Energy Resolution (eV):
                             
                        Calibration:
                            Cu3p3,Cu2p3 = 75.11,932.67
 
                        Charge Reference:
                            Conductor
 
                        Energy Scale Evaluation:
                            Reliable (reported energy within 300 eV of a reference energy)
 
                        Comment:
                            A 0.025 mm thick iron foil was cleaned by repeated cycles of Ar+ ion bombardment (Ep = 3 keV, j = 1.7 micro amperes/cm2) and subsequently annealed (T = 923 K). FAT mode.