JEOL Probe Users Listserver

Moderator: Ellery Frahm, [log in to unmask],
Electron Microprobe Lab, University of Minnesota

Post a message: send your message to [log in to unmask]

Unsubscribe: send "SIGNOFF PROBEUSERS" to [log in to unmask]

On-line help and FAQ: http://probelab.geo.umn.edu/listserver.html



*

I have found that when I image a recently failed W filament, it 
appears hollow where it failed (these are gently used filaments, with 
months and months of service). I have placed 6 images on a web page 
for you to view if interested. I would be interested in comments how 
this phenomenon occurs.

www.geology.wisc.edu/~johnf/filament.html

Thanks

John F
-- 
========================================================
John Fournelle, Ph.D.	       office: (608) 262-7964   cell: (608) 438-7480
Cameron Electron Microprobe Lab   lab: (608) 265-4798
Dept of Geology & Geophysics      fax: (608) 262-0693
University of Wisconsin          home: (608) 274-2245
1215 West Dayton St.            email: [log in to unmask]
Madison, WI 53706		amateur radio: WA3BTA
      Personal    http://www.geology.wisc.edu/~johnf/
      Probe lab   http://www.geology.wisc.edu/~johnf/sx51.html
Probe Sign Up Calender: 
http://www.microscopy.wisc.edu/cgi-bin/calendar/microprobe/calendar.cgi

"The first rule of all intelligent tinkering is to save every cog and 
wheel." --  Aldo Leopold

"For a successful technology, reality must take precedence over 
public relations, for Nature cannot be fooled."    --   Richard P. 
Feynman