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vacuum

Hitachi S-4700 FE-SEM

FESEM is down

December 14, 2018. The airlock won’t pump down, so it is probably a faulty vacuum pump. Regardless, Hitachi will send us a repair part that might be here on Monday. I’ll send you more info after I talk to them.

Hitachi S-4700 FE-SEM

FESEM is down

November 27, 2018. During a power flicker last night the FESEM vacuum system did some crazy things. I’ve got it back on but the ion pumps have to cool before I can check the scope for functionality. I’m going to take it offline (no use) for the remainder of the …

JEOL TEM is down

October 5, 2018. The JEOL TEM is down with a vacuum problem. I’ve got a call in for help, but the service engineer was going to be here Monday to work on alignment. For those of you keeping count this means that the ESEM and 6400 SEM are the only …

FEI 200kV Titan Themis S-TEM

Titan S-TEM update

May 16, 2018. The S-TEM has been down with a vacuum leak.  The service engineers have traced the problem to the goniometer.  That part should be replaced next week.  I’ll let you know when we are back online.