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vacuum

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.

Hitachi FB-2000A FIB

FIB down

April 4, 2018. The FIB image disappeared yesterday after a vacuum issue. I’ve spent 3-4 hours and have been unable to understand why. I can’t understand the connection. We have no service contract on the FIB but Hitachi has been trying to help me with problems. Our field service engineer …

TEM

The JEOL TEM is back online

November 29, 2017. I just tested the TEM and it seems to be working fine. You will notice that the vacuum isn’t as good as it was before, but with a few ACD fills it should improve. Regardless, it is okay to use it now. Let me know if you …

FE SEM

FESEM online

August 25, 2017. The FESEM is online right now. After I repaired the vacuum problems I had trouble with the computer. I finally got it to boot and the SEM software working but it took many tries. Hitachi is sending us a replacement computer in case it fails again. In …

FE SEM

FESEM status

August 23, 2017. I replaced the vacuum pump yesterday and that fixed one problem. However, I found that the SEC vacuum gauge failed. That part will be here tomorrow and I’ll get it installed right away. Look for a status update tomorrow around noon.

FE SEM

FESEM is down

August 21, 2017. 1:14 pm. The likely problem is a bad vacuum pump. The company is going to try to get us one for delivery tomorrow. If the problem is the pump the repair will be quick. Stay tuned. 8:56 am. There is something wrong with the vacuum system. I’m …

TEM is down

June 3, 2014. The TEM vacuum is bad so I will regenerate the system overnight.  If all goes well it should be okay to use tomorrow.  I will send out an update then.