Scanning Electron Microscope - Light bulb filament

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Uploaded by on Oct 15, 2010

Trying out my Scanning Electron Microscope (SEM) at home in my living room, with the tungsten filament of a small light bulb.

Jeol JSM-T200
-25 kV Accelerating voltage
-Secondary Electron detector used for this video
-Size of monitor is approximately 10 cm vertically
-Magnification is seen in the red 7-segment display

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Uploader Comments (ev1te)

  • A std microscope reaches its limits at around 1000x, a SEM can go much higher since the electrons are "smaller" than the wavelength of normal light. Also you have many other benefits of an SEM and also some complications.

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  • so how does an electron microscope compare to say a std microscope at x1000. I would love to get one but I thought they could zoom down much further?

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