Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:smartphone
vacuum pump |
| gptkbp:application |
mass spectrometry
electron microscopy vacuum coating |
| gptkbp:category |
vacuum technology
|
| gptkbp:component |
gptkb:stator
rotor |
| gptkbp:firstDescribed |
1923
|
| https://www.w3.org/2000/01/rdf-schema#label |
Holweck pump
|
| gptkbp:inventedBy |
gptkb:Fernand_Holweck
|
| gptkbp:material |
metal
|
| gptkbp:mechanismOfAction |
gas molecules are dragged by a rotating cylinder with helical grooves
|
| gptkbp:namedAfter |
gptkb:Fernand_Holweck
|
| gptkbp:operates_at_pressure_range |
10^-2 to 10^-6 mbar
|
| gptkbp:principle |
molecular drag
|
| gptkbp:relatedTo |
gptkb:Gaede_pump
diffusion pump turbomolecular pump |
| gptkbp:requires |
forepump
|
| gptkbp:usedFor |
high vacuum generation
|
| gptkbp:bfsParent |
gptkb:Fernand_Holweck
|
| gptkbp:bfsLayer |
6
|