5.1.7 Installing electron collimation magnets
NOTICE
Impairment from contamination and damage
Touching the devices or components with bare hands increases the desorption rate and leads to in-
correct measurements. Dirt (e.g. dust, fingerprints, etc.) and damage impair the function.
► During assembly and maintenance work on high or ultra high vacuum systems, always wear
clean, lint-free and powder-free laboratory gloves.
► Only use clean tools.
► Make sure that the connection flanges are free of grease.
► Remove protective caps and protective covers from flanges and connections only when necessa-
ry.
► Remove the analyzer’s transport protection only when necessary.
► Carry out all work in a well lit area.
NOTICE
Incorrect magnet alignment
The magnets have been aligned. Removing the magnets from their mounting plate destroys the
alignment.
► Do not remove the magnets from the mounting plate.
Pfeiffer delivers the magnetic unit of the crossbeam ion source in separate packaging.
Prerequisite
● Operational conditions fulfilled
Required tools
● Screwdriver
1
3
2
Fig. 14:
Installing electron collimation magnets
1 Connections
3
Installing magnetic unit
2 Screws
Procedure
1. Position the analyzer in such a way that you can easily install the magnetic unit.
2. Loosen the two screws, but do not remove them.
3. Take the magnetic unit out of the packing, together with the screws.
4. Install the magnetic unit on the ion source.
Installation
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