화학공학소재연구정보센터
검색결과 : 5건
No. Article
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