Cryo-EM University: Accelerator

Electron gun

33:55

The Electron Gun

Review of the different sources of the electrons in an electron microscope.
21:51

Gun Stability

Overview of the stability of field emission electron guns and how they change over time.

Electron gun alignment

9:29

Gun Shift Theory

Explanation and review of the gun shift theory.
6:07

Gun Shift Direct Alignment

Demonstration on the gun shift procedure.
8:31

Gun Tilt Theory

Explanation and review of the gun tilt theory.
17:10

FEG Register and Quick Gun Alignment

Demonstration and review of the FEG Registers and gun alignment in the TEM User Interface.
24:40

Gun Lens

Theoretical review of the gun lens, their function and components.
21:16

Changing Gun Lens and Quick Alignment

Demonstration of changing the gun lens and performing a quick alignment in the TEM User Interface.

Extended electron gun alignment

47:03

Full Extensive Gun Alignment

Step by step demonstration of the Gun alignment within the TEM User Interface.

For Research Use Only. Not for use in diagnostic procedures.