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maintenance

JEOL JSM-6400 SEM

6400 SEM status

November 29, 2018. I repaired the memory battery so now we have all kvs aligned. I also replaced an aperture and as a result, resolution improved markedly. I’ll be replacing 2 more apertures over the holidays. That will require that I take the SEM offline for a few days. I’ll …

JEOL TEM status

November 27, 2018. The high voltage cable connection is arcing to ground at 100kV. The microscope is unusable like that. We are going to hire the engineer to come back and make this repair possibly as early as 2 weeks from now. I’ll keep you posted.

JEOL TEM status

October 11, 2018. The TEM has been aligned and we also found that a valve is leaking. The engineer is sending me the part, but the microscope can be used in the meantime. Please reserve time so that I can be there to make the microscope ready of you want …

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 …

Hitachi S-4700 FE-SEM

FESEM update

September 19, 2018. The engineers think there is some contamination on a stationary aperture in the column. It will be a big job to change it and it couldn’t be done before next week at the earliest, more likely the week after. I found that the scope works fine at …

Hitachi S-4700 FE-SEM

FESEM problem

September 19, 2018. There is a problem with the FESEM that shows up when adjusting the beam alignment. Usually we should see a nice round spot but now it is stretched our into an ellipse. I’ve contacted the engineers who have given me a few tests to run. The scope …

Hitachi FB-2000A FIB

FIB repair status

September 11, 2018. Hitachi service is here today to start FIB repairs. He has identified the problem and knows where the contamination is located in the column. The repair will require a complete column disassembly. He expects to be finished by Friday morning. I’ll confirm when we are back online.

Hitachi FB-2000A FIB

FIB status

June 20, 2018. The FIB is still down and will be until sometime in July. We have to wait until the new fiscal year on July 1 to request a service call. Since we aren’t a service contract customer we won’t be a priority for them and may have to …