Operating Principle Of Vacuum Pumps

Year Published: 1970

Format: 16mm

Sound: sound

Description: Serves as an introduction to vacuum technology. Illustrates with animation sequences various methods for creating a vacuum, ranging from the simple cryogenic method to the sputter cathodes. Limiting factors such as vapor pressure are discussed and ingenious devices for coping with the problems are shown. The operation of the following pumps is explained--water aspirator, mechanical fore pump, molecular pump, mercury vapor, diffusion pump, oil vapor pump, cryogenic pump and ion pump.

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