Vacuum, Vacuum Pumps, Vacuum Gauges Online Free Course

Vacuum, vacuum pumps and vacuum gauges (vacuum meters) are discussed in this online video lecture that is made for students who are in need of free and easily accessible study materials. In the first part of this presentation we explain what vacuum is and give an example why vacuum is so important in materials characterization when using methods such as scanning electron microscopy (SEM). In the second part of the presented talk we explain with the help of 3D animations how different vacuum pumps work. In t