Warner, Marvin und Elsen, Michael und Wörner, Lisa und Braxmaier, Claus und Grosse, Jens (2022) Outgassing rate testbed for in-operation analysis of powered and heated assemblies. Journal of Vacuum Science and Technology B, 40 (4), 044203. American Institute of Physics (AIP). doi: 10.1116/6.0001898. ISSN 2166-2746.
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Offizielle URL: https://avs.scitation.org/doi/10.1116/6.0001898
Kurzfassung
We introduce a new apparatus for measuring the outgassing rate of assemblies and functional units. Outgassing rates given in the literature, if available, are mostly insufficient to plan and set up a vacuum system, more so if commercial parts, preassembled items, or complex electronics with unknown components are deployed. Outgassing rates have a severe impact on the required pumping speed in ultrahigh vacuum systems and they change if the samples are powered or heated. The newly built apparatus uses the throughput method to measure outgassing rates. It can house probes with a size of 0.10x0.10x0.13m^3 and supplies electrical currents of up to 5 A. In addition, a heater can establish temperatures of up to 200 °C directly. A procedure is given to identify the main gas inputs and to retrieve data with a lower limit of 1.5x10^(-8) Pa m^3 s^(-1) after 100 h in vacuum. In this paper, we present the experimental setup and first results for samples of polytetrafluorethylene, polyamide (PA6), Viton (1A), and oxygen-free high thermal conductivity copper at room temperature.
elib-URL des Eintrags: | https://elib.dlr.de/188073/ | ||||||||||||||||||||||||
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Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||||||||||
Zusätzliche Informationen: | This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in J. Vac. Sci. Technol. B 40, 044203 (2022) and may be found at https://avs.scitation.org/doi/10.1116/6.0001898 | ||||||||||||||||||||||||
Titel: | Outgassing rate testbed for in-operation analysis of powered and heated assemblies | ||||||||||||||||||||||||
Autoren: |
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Datum: | 13 Juli 2022 | ||||||||||||||||||||||||
Erschienen in: | Journal of Vacuum Science and Technology B | ||||||||||||||||||||||||
Referierte Publikation: | Ja | ||||||||||||||||||||||||
Open Access: | Ja | ||||||||||||||||||||||||
Gold Open Access: | Nein | ||||||||||||||||||||||||
In SCOPUS: | Ja | ||||||||||||||||||||||||
In ISI Web of Science: | Ja | ||||||||||||||||||||||||
Band: | 40 | ||||||||||||||||||||||||
DOI: | 10.1116/6.0001898 | ||||||||||||||||||||||||
Seitenbereich: | 044203 | ||||||||||||||||||||||||
Verlag: | American Institute of Physics (AIP) | ||||||||||||||||||||||||
ISSN: | 2166-2746 | ||||||||||||||||||||||||
Status: | veröffentlicht | ||||||||||||||||||||||||
Stichwörter: | Outgassing rates, ultra-high vacuum, quantum technology | ||||||||||||||||||||||||
HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||||||
HGF - Programm: | Raumfahrt | ||||||||||||||||||||||||
HGF - Programmthema: | Kommunikation, Navigation, Quantentechnologien | ||||||||||||||||||||||||
DLR - Schwerpunkt: | Raumfahrt | ||||||||||||||||||||||||
DLR - Forschungsgebiet: | R KNQ - Kommunikation, Navigation, Quantentechnologie | ||||||||||||||||||||||||
DLR - Teilgebiet (Projekt, Vorhaben): | R - Quantenmetrologie, R - Quantenengineering | ||||||||||||||||||||||||
Standort: | Bremen , Ulm | ||||||||||||||||||||||||
Institute & Einrichtungen: | Institut für Quantentechnologien > Quantenmetrologie Institut für Quantentechnologien > Quanten Engineering | ||||||||||||||||||||||||
Hinterlegt von: | Hamann, Ines | ||||||||||||||||||||||||
Hinterlegt am: | 10 Sep 2022 22:47 | ||||||||||||||||||||||||
Letzte Änderung: | 28 Nov 2023 07:27 |
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