ESEM_PLA.png


Description Isodensity contours at the values indicated on color bar for argon gas flow through 0.5 mm aperture ( PLA1) from specimen chamber at pressure p 0 =1000 Pa and room temperature 293 kelvins, into low pressure region of stage 1 held at pressure p 1 . Electron beam travels from vacuum region above along the axis against the supersonic gas jet formed.
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Author Gerry Danilatos ( user:Esem0 at en.wikipedia, original upload at http://en.wikipedia.org/wiki/File:ESEM_PLA.png )
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May 2008