2. Sorption pump or adsorption pump
Normative definition: "A fixation pump in which the gas is mainly fixed by the physisorption of a substance with a large real surface area (e.g. a porous surface)."
2.1 Principle
Some porous materials such as activated carbon, zeolites and silica gel have very large specific surface areas (surface area developed per unit mass of the solid substance) ranging from several hundred square metres per gram to over a thousand
Pumping action is achieved by the phenomenon of low-temperature adsorption of a given gas onto a given product. The lower the temperature, the greater the...
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Sorption pump or adsorption pump
Sorbent or getter pump
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Bibliography
In Engineering Techniques
Standardization
French Standards Association (AFNOR)
- Technique du vide. Vocabulaire. Pompes à vide. - NF X 10-501 - 5.1976
International Organization for Standardization (ISO)
- Sputter-ion pumps ; measurement of performance characteristics ; part 1 ; pumps with a volume rate of flow greater then 10 L/s. - ISO/DIS 3556-1 - 5.1992
- Vacuum technology. Vocabulary. Part 2 : Vacuum pumps and related terms....
Fixing pump suppliers and manufacturers (in France)
(Non-exhaustive list)
Ebara http://www.ebara-europe.com
Helix Technology S.A. http://www.helixtechnology.com
Hositrad http://www.hositrad.nl
Leybold...
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