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maintenance

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 …

FE SEM

FESEM data bar on images

June 15, 2017. After 2 hours on the phone, the Hitachi engineer and I found out why the data bar was positioned so far into the images. Someone had changed a software setting – a box was checked that shouldn’t have been. Needless to say, he and I had other …

FE SEM

FESEM operational

June 1, 2017. The Hitachi engineer replaced a suspect board in the FESEM and the system is working after running overnight. He wants us to use the microscope today while he is here at the lab in case the problem reoccurs. I have opened up the calendar so you can …