Table 1 Pumping speeds of the cryopump for H 2 and Ar with the cold trap at 4.2 K and 2.2 K respectively (Pumping speeds of N 2 and dry air are equal to those of Ar within 10%) Pumping speed, I s "1 Gas 4,2 K 2.2 K H 2 4 000 5 200 Ar 1 000 1 000 gas molecules even for low values of the sticking pro
โฆ LIBER โฆ
Some electrical feedthroughs to be used at low temperatures
โ Scribed by F. Mathu; H.C. Meijer
- Book ID
- 107745835
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 82 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0011-2275
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