FEG microscope problems
Terje Dokland
dokland at imcb.nus.edu.sg
Wed May 7 23:52:00 PDT 2003
We recently had a new JEOL 2010FEG microscope installed. However,
after installation, we find that there is not one, but four to six
beam spots!
The technician says it is due to magnetic interference. He also
claims that it has no effect on resolution, and that may be true with
respect to gold or graphite, but I'm sure it can't be very good for
coherence and phase contrast, and hence the whole purpose for having
an FEG is lost!
Has anybody else had such experience with an FEG microscope? Was it
due to magnetic interference, and was there a way to fix it? We will
try a magnetic field canceler in a few weeks time. Is this likely to
work? Suggestions are welcome, as I am not too happy to pay for the
microscope until this problem has been solved!
terje
--
------------------------------------
Dr. Terje Dokland
Senior Scientist
Institute of Molecular and Cell Biology <--- NOTE NEW ADDRESS !
1 Research Link, A*STAR Building
Singapore 117604
Phone: 65-6872 7405 Fax: 65-6872 7007
E-mail: dokland at imcb.nus.edu.sg
"Convictions are greater enemies of truth than lies"
F. Nietzsche
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