[geeks] jackassery from the BBC
Sridhar Ayengar
ploopster at gmail.com
Thu Jan 8 12:44:58 CST 2009
Phil Stracchino wrote:
>>>> "The optimum scanning electron microscope imaging conditions are
>>>> attained with an incident-electron energy set at 5 to 6kV, which
>>>> produced images with resolution on the order of 1N<m.
>>> This apparently did not encode correctly. As copied and pasted, that
>>> resolution was 1 micrometer, stated as 1[greek letter mu]m.
>> And shouldn't the first number (the energy reading) be in keV?
>
> Uh .... actually, no, I don't believe so, in this case. But I'm far
> from being a SEM expert. My understanding of the articles on the
> subject I've read this morning is that what they're referring to there
> is the voltage on the scanning coils, not electron energy /per se/. But
> I could well have misunderstood.
I see. Calling it energy is a bit counter-intuitive then.
Peace... Sridhar
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