Notification
Work on the Supra emitter and objective apertures replacement is finished and the SEM, Bruker EDS and Nabity NPGS are available for use.

DO NOT USE HIGH VOLTAGE GREATER THAN 20 kV UNTIL FURTHER NOTICE.

The new emitter will be damaged if voltage greater than 20 kV is used while it is new. The staff will send out another notice when it it OK to go higher than 20 kV.