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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 …

FESEM problem

June 2, 2014. There was a report of unusual imaging results and maybe a hardware problem, too.  I will check it out tomorrow morning but do not use it in the meantime.

EDS on FE-SEM is working!

February 20, 2013. The EDS hardware card came back from the repair shop – I installed and calibrated it this afternoon. I tested it for 2 hours – EDS Spectra, SEM Imaging and X-ray Mapping. Everything seems to be working properly. Some of you have been trained to use the …

Hitachi S-4700 FE-SEM

FE-SEM back online

February 14, 2013. The FE-SEM is back online and we have greater confidence that the image problem is successfully repaired. For those of you who are interested, a transistor that was inadequately connected to the circuit board. The EDS is not operational yet.

Yet another FESEM update

February 4, 2013. The FESEM is still not working properly.  We have to limp by until next week when Hitachi is sending 2 engineers to make the repair.  The scope can be used but may give problems.  If you see a black screen or a distorted screen try to go to …

Hitachi S-4700 FE-SEM

FESEM status

January 30, 2013. The Hitachi engineer replaced all the relays associated with imaging.  I tried for 30 minutes to make the problem return without success.  I’m opening the calendar for use.  Note that I have restored the appointments for those who signed up earlier.

Hitachi S-4700 FE-SEM

FESEM image problem

January 29, 2013. The imaging problem is back. The problem shows up in fast scan rates. I was able to get some decent images using the fastest of the slow scans for focusing and adjusting the stigmatism. The Hitachi engineer could come tomorrow so I’ll cancel any appointments while he …

Hitachi S-4700 FE-SEM

FESEM repair

January 4, 2013. First, Happy New Year to all! After a week of FESEM use the imaging problem has not reappeared, so I’m postponing the service call. I will free up time on the FESEM next week.