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vacuum

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.

TEM status

November 7, 2013. Installation of the new(er) TEM is proceeding as we planned. We will have the system under vacuum where it will stay through next week. Final installation steps will resume Monday, Nov 18. We won’t remove any parts from the 4000 TEM until that week so, if you …

TEM

TEM down

September 3, 2013. There was a power outage in Houghton over the weekend that shut down the TEM. I restarted it this morning but the vacuum is slow to recover. I’ll send another message when it is back online.

TEM

TEM status – online

June 6, 2013. The TEM is repaired and, after the gun vacuum improves overnight, should be ready for the first appointment (Yang). Note that one of the standard sample holders was bent somehow. I’ll send it in for repair. Be careful – repairs like this lead to higher use charges.

FE SEM

FESEM is down

March 27, 2013. The FESEM is down with a failed vacuum pump. Hitachi si sending another that will arrive about lunchtime tomorrow. The new pump should repair the problem. I will keep you informed of progress.

Contaminated Sputter Coater

February 27, 2012. The sputter coating system is contaminated and the coatings are of poor quality.  Please don’t use it until I get it cleaned up.  I’ll post a follow-up message to let you know when it is ready. Why is the coater becoming contaminated?  It happens when wet samples …