Auger microsond a scanning has the opening of the axial outlet and variable

摘要

P the invention relates to the top surface to balayge using an analyzer having cylindrical mirror. / p & & p & the analyzer to cylindrical mirror comprises a device for opening of the output variable mounted in the vicinity of the focusing point of the electrons to be analysed and the trace of the analyzer. Two versions of this device are proposed, one comprising three openings of different diameters, the other making it possible to vary continuously the outlet opening. / p