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SEM Snowflake Image Coasters (6 Pack)

SEM Snowflake Image Coasters (6 Pack)

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$14.99 $17.99

Lab Rat Gifts SEM Snowflake Coasters! 

SEM Snowflake Photo Coasters are a great conversation starter or addition to your dining room, living room or office. Protect your furniture in style and with science! high quality image produced through SEM (Scanning Electron Microscope) by scanning the surface with a focused beam of electrons. Learn more below...


  • Quantity: 6 coasters
  • Color(s): blue, black, white and gray
  • SKU/Product Code: COA003
  • Size: 4" x 4" x 0.25"
  • Weight: 7 oz.

SEM Snowflake Coaster Set

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Learn more about SEM

A scanning electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons. The electrons interact with atoms in the sample, producing various signals that contain information about the surface topography and composition of the sample. The electron beam is scanned in a raster scan pattern, and the position of the beam is combined with the intensity of the detected signal to produce an image. In the most common SEM mode, secondary electrons emitted by atoms excited by the electron beam are detected using a secondary electron detector (Everhart-Thornley detector). The number of secondary electrons that can be detected, and thus the signal intensity, depends, among other things, on specimen topography. SEM can achieve resolution better than 1 nanometer.

Specimens are observed in high vacuum in conventional SEM, or in low vacuum or wet conditions in variable pressure or environmental SEM, and at a wide range of cryogenic or elevated temperatures with specialized instruments.


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