SEM Snowflake Image Pillow
Exclusive Lab Rat Gifts SEM Snowflake Pillow
High quality SEM Snowflake image pillow is ideal for use at home or in the office. Great addition to a chair, couch or bed during winter or any time of year. Perfect gift idea for snowflakes, winter, snow or science lovers, or just for a great conversation starter.
Have you ever hugged a snowflake? Now you can! Sit or decorate with style and science! Image produced through SEM (Scanning Electron Microscope) by scanning the surface with a focused beam of electrons. Learn more below...
Specifications
- Quantity: 1
- Color(s): blue, black, white and gray
- SKU/Product Code: PIL0001
- UPC/GTIN: 649558224577
- Size: approximately 14" x 14" x 4"
- Weight: 10 oz.
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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.
