The establishment of EVISA is funded by the EU through
the Fifth Framework Programme (G7RT- CT- 2002- 05112).
Supporters of EVISA includes:
Detector effect, occuring at high count rates, that cannot be
mathematically corrected. For high signals, the current flowing over
the dynodes of the electron multiplier is limited, leading to loss in
gain. It is said continuous dynode detector suffers more severe gain
depression effects than discrete detector does, since the continuous
dynode is normally made from a thin film, that does not support high
currents across its total length while discrete dynodes alow for
feeding in the current at each stage.