No subject

[Terje Dokland]

Thanks for the helpful messages that I've received regarding our 
problem with the multiple beam spot in the JEOL FEG.

To be more precise: there are 4-6 spots, all in one line, flickering...

The JEOL people did measure the site before installation, and found 
the field to be ok, but the building has undergone extensive 
renovation, and after installation they re-measured field and 
apparently get 20mG AC interference from God-knows-where. The 
engineer tells me that the biological version of the microscope that 
we have lacks the condensor mini-lens and is more sensitive to 
magnetic fields...

Hopefully the field cancellation system will help, otherwise we might 
have to move the scope to a different location!

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
----------------------------------------------------
To unsubscribe from this e-mail list, send mail to
majordomo at sdsc.edu
with the words
unsubscribe 3dem
in the body of the message.
Do not send unsubscribe messages to the entire list
-----------------------------------------------------