The establishment of EVISA is funded by the EU through
the Fifth Framework Programme (G7RT- CT- 2002- 05112).
Supporters of EVISA includes:
An ion funnel is a device consisting of a series of stacked ring
electrodes with progressively decreasing inner diameter to which a
combined radio frequency and fixed voltage is applied.The resulting field focuses ions travelling along the central axis.
The term "ion funnel" was found in the following pages: