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maintenance

JEOL TEM down

November 28, 2017. I took the EDS detector (in need of repair) off of the TEM yesterday. This morning I started a bake of the column which will take 20 hours. The scope should be ready by tomorrow morning. I’ll send you a followup email to confirm.

TEM

TEM update

September 28, 2017. The JEOL TEM is still down due to a grid dropped into the specimen chamber that is blocking the beam. This is a serious problem that could lead to an expensive repair bill. It was easily avoidable.

TEM

TEM is down – a grid was dropped inside

September 25, 2017. My first try at removing the grid from the beam path in the TEM failed. I’m going to repeat but I’m not sure there is enough time this afternoon. That would mean I’ll be doing it tomorrow morning. Tomorrow morning’s TEM schedule is cancelled. September 22, 2017. …

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 …