Vacuum apparatus

In a vacuum apparatus including an ultrahigh vacuum evacuation pump, the ultrahigh vacuum evacuation pump is provided with a rod-shaped cathode including a non-evaporable getter alloy, a cylindrical anode disposed so as to surround the cathode, and a coil or a ring-shaped permanent magnet disposed s...

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Bibliographische Detailangaben
Hauptverfasser:	Kasuya, Keigo, Katagiri, Souichi
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	In a vacuum apparatus including an ultrahigh vacuum evacuation pump, the ultrahigh vacuum evacuation pump is provided with a rod-shaped cathode including a non-evaporable getter alloy, a cylindrical anode disposed so as to surround the cathode, and a coil or a ring-shaped permanent magnet disposed so as to sandwich upper and lower openings of the cylindrical anode and surround the rod-shaped cathode. As a result, it is possible to reduce the size and weight of the ultrahigh vacuum evacuation pump and to dispose the vacuum evacuation pump at a desired location in the vacuum apparatus.