검색결과 : 5건
No. | Article |
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1 |
Major advances in capture pumps in the last 50 years Welch KM Journal of Vacuum Science & Technology A, 21(5S), S19, 2003 |
2 |
Recommended practices for measuring the performance and characteristics of closed-loop gaseous helium cryopumps Welch KM, Andeen B, de Rijke JE, Foster CA, Hablanian MH, Longsworth RC, Millikin WE, Sasaki YT, Tzemos C Journal of Vacuum Science & Technology A, 17(5), 3081, 1999 |
3 |
Enhanced Ignition of Cold-Cathode Gauges Through the Use of Radioactive Isotopes Welch KM, Smart LA, Todd RJ Journal of Vacuum Science & Technology A, 14(3), 1288, 1996 |
4 |
Pumping of Helium and Hydrogen by Sputter-Ion Pumps .2. Hydrogen Pumping Welch KM, Pate DJ, Todd RJ Journal of Vacuum Science & Technology A, 12(3), 861, 1994 |
5 |
Some Important Developments in Capture Pumping Technology in the Last 40 Years Welch KM Journal of Vacuum Science & Technology A, 12(4), 915, 1994 |