BielefeldGED:Equipment: Difference between revisions
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This page contains description of equipment used by GED group in Bielefeld. | This page contains description of equipment used by GED group in Bielefeld. | ||
== News == | |||
{| class="wikitable" style="text-align: left;" | |||
|- style="border-bottom: 2pt solid" | |||
! data-sort-type="date" | Date | |||
! Record | |||
|- | |||
| 28 Feb 2014 | |||
| A new booster pump (''Edwards EH500'') has been installed. | |||
|- | |||
| 20 Dec 2013 | |||
| A new diffusion pump (''Edwards Diffstak 250/2000P'') has been installed. | |||
|} | |||
== Instrument == | == Instrument == | ||
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=== Pumps === | === Pumps === | ||
==== Backing Pumps ==== | ==== Backing Pumps ==== | ||
Backing (fore-vacuum) pumps: ''Edwards x05 Scrollpump Oilfree'' | Backing (fore-vacuum) pumps: ''Edwards x05 Scrollpump Oilfree'', ''Edwards E2M80'' oil pump and ''Edwards EH500'' booster pump. Our last oilfree pump worked 48822.8 hours. On the pictures is the new one. | ||
{| | {| style="border: 0px;" | ||
| [[File:Bielefeld_VorvakuumP_2013_1.jpg|200px]] | |- valign="bottom" | ||
| [[File:Bielefeld_VorvakuumP_2013_2.jpg|200px]] | | [[File:Bielefeld_VorvakuumP_2013_1.jpg|200px|thumb|Edwards E2M80 oil pump (left) and x05 Scrollpump Oilfree pump (right).]] | ||
| [[File:Bielefeld_VorvakuumP_2013_2.jpg|200px|thumb|The same pumps from side.]] | |||
| [[File:Bielefeld_VorvakuumP_2014_1.jpg|200px|thumb|More recent picture with the booster pump on top of the oil pump.]] | |||
|} | |} | ||
==== Diffusion Pumps ==== | ==== Diffusion Pumps ==== | ||
New diffusion pump (''Edwards Diffstak 250/2000P''), installed in December, 2013: | New diffusion pump (''Edwards Diffstak 250/2000P''), installed in December, 2013: |
Revision as of 12:45, 6 March 2014
This page contains description of equipment used by GED group in Bielefeld.
News
Date | Record |
---|---|
28 Feb 2014 | A new booster pump (Edwards EH500) has been installed. |
20 Dec 2013 | A new diffusion pump (Edwards Diffstak 250/2000P) has been installed. |
Instrument
The reconstructed Balzers Eldigraph KD-G2 (one of only two still existing ones worldwide) is presently in use in the laboratory. The most recent paper <bib id="BergerZFN2009" /> about this improved gas electron diffractometer contains lots of details.
Current state
History
Pumps
Backing Pumps
Backing (fore-vacuum) pumps: Edwards x05 Scrollpump Oilfree, Edwards E2M80 oil pump and Edwards EH500 booster pump. Our last oilfree pump worked 48822.8 hours. On the pictures is the new one.
Diffusion Pumps
New diffusion pump (Edwards Diffstak 250/2000P), installed in December, 2013:
Old diffusion pump:
Turbo Pumps
Turbo pump (Edwards EXT70H) attached to the electron gun:
Sector
A sin2-type sector (common formula is A*sin2(r/B)) is used.
Inlet Systems
Room-temperature Nozzle
References
<biblist />