Robinson™ Backscattered Electron (BSE) Detector for Scanning Electron Microscopes
Select the motorized retraction option for optimum secondary electron imaging with maximum convenience
Introduction:
The first thing a prospective customer would want to ask is, "why
would I ever need a motorized retractable backscattered electron
(BSE) detector in the first place?". It is a given that one does need
a retractable BSE detector because the presence of the detector shields
the secondary electron detector from some of its signal, thereby eroding
some of the spatial resolution in the normal SEM mode that would otherwise
be possible. Consequently, the Robinson BSE detector, in its standard
form is indeed retractable manually.
Available only on bellows design detectors:
Because of mechanical constraints, at the present time, the motorized retraction
option is available only for those customers selecting the "bellows" design option
for their BSE detector. Note: All Robinson Model 8.6 Detectors are "retractable"
but they are manually retractable.
Is this for me?
Some customers end up having to place their Robinson BSE detector on the back port
of their SEM column. And behind most SEMs one finds a maze of wires, vacuum lines,
and other tripping hazards. Most try to avoid having ever to go behind their SEM!
In any case, the motorized design makes it unnecessary for any user to ever venture
behind their SEM and the dangers that lurk......
Of course there are others who either have lots of extra money or are just
plain lazy.......we don't know all the reason why one might elect to
have the convenience of a motorized design but this option is quite
popular with our customers.
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Monday December 01, 2008
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