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Focused ion beam scanning electron microscopy (FIB SEM)

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Focused ion beam

Focused ion beam, also known as FIB, is a technique used particularly in the semiconductor industry, materials science and increasingly in the biological field for site-specific analysis, deposition, and ablation of materials. A FIB setup is a scientific instrument that resembles a scanning electron microscope (SEM). However, while the SEM uses a focused beam of electrons to image the sample in the chamber, a FIB setup uses a focused beam of ions instead. FIB can also be incorporated in a system with both electron and ion beam columns, allowing the same feature to be investigated using either of the beams. FIB should not be confused with using a beam of focused ions for direct write lithography (such as in proton beam writing). These are generally quite different systems where the material is modified by other mechanisms.

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Wikipedia contributors. "Focused ion beam." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, Aug. 21, 2023.

Focused ion beam scanning electron microscopy in Helmholtz Imaging Modalities:

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