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Title: Glow discharge processing versus bakeout for aluminum storage ring vacuum chambers

Journal Article · · J. Vac. Sci. Technol.; (United States)
DOI:https://doi.org/10.1116/1.569506· OSTI ID:6802663

Experiments were carried out on laboratory and prototype scale systems in order to establish the feasibility of argon discharge processing the PEP storage ring aluminum vacuum chambers. Electron-induced desorption rates showed significant reductions following bakeout and/or argon glow discharge treatment (>10/sup 1/9 ions cm/sup -/1). Data are presented and discussed in relation to advantages and problems associated with: water removal, argon trapping and subsequent release, electron energy dependence, discharge distribution, and surface plasma chemical effects.

Research Organization:
Stanford Linear Accelerator Center, Stanford University, Stanford California 94305
OSTI ID:
6802663
Journal Information:
J. Vac. Sci. Technol.; (United States), Vol. 15:2
Country of Publication:
United States
Language:
English