Since the mid-20th century, electron-beam technology has provided the basis for a variety of novel and specialized applications in semiconductor manufacturing, microelectromechanical systems, nanoelectromechanical systems, and microscopy. == Mechanism == Free electrons in a vacuum can be manipulated by electric and magnetic fields to form a fine beam.
Since the mid-20th century, electron-beam technology has provided the basis for a variety of novel and specialized applications in semiconductor manufacturing, microelectromechanical systems, nanoelectromechanical systems, and microscopy. == Mechanism == Free electrons in a vacuum can be manipulated by electric and magnetic fields to form a fine beam.
Source: Wikipedia "Electron-beam technology" · CC BY-SA 4.0
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