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From FEI Company
Is it possible to get too close to a fruit fly? Let's say you were to zoom in 1000x on the tiny beast (that's the limit of most optical microscopes). What would you see? I'll tell you what you'd see: a glimpse of the segmented eyeballs of this iconic scientific specimen. To take it further, you'd need an expensive piece of equipment called a scanning electron microscope (SEM). Typically priced in the $200,000 range, these huge machines can let you zoom in to greater than 1,000,000x, almost to the atomic level-at which point the fly ceases to be a fly and becomes yet another of this world's complex assemblages of protons, neutrons and electrons. Product Announcements
Topics of Interest
Electron microscopes utilize an electron that is scanned across a scanning electron microscope (SEM) or passed through a tranmission electron microscope (TEM) a sample to capture an image. The...
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A new tabletop SEM combines the high magnification of electron microscopy with the ease of use of optical microscopy to improve performance in a benchtop instrument.
A radical new breed of microscope...
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SEM is now an indispensable instrument in a wide variety of applied fields. Many people who are not professional users of an SEM are now using the SEM as a tool in their research or production.This...
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2.1 LIGHT MICROSCOPY (LM)
2.1.1 Fundamentals
Light microscopy (Hemsley, 1984; McCrone, 1974) is useful for studying the pigments for color, particle size and distribution, and concentration in...
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Alexander J. Shapiro
3.1 Introduction
Scanning electron microscopy (SEM) has become one of the most versatile and useful methods for direct imaging, characterization, and studying of solid...
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