Results andDiscussion
EXTENDEDVACUUMSTUDY (10
-9
Torr)
Figures 3,4and5demonstratepressure increaseof vacuum
components exposed toheatingafter extended timeunder
pumpdown
Figure3, dataafter 8days of pumpdown
Figure4, dataafter 41days of pumpdown
Figure5, dataafter 156days of pumpdown
Ionpumpusedwithbasepressureof 1 x 10
-9
Torr
Amorphous silicon components continued toexperiencea lesser
degreeof outgassingmaterial evenafter longperiods of timeunder
vacuum.
NOTE: Magnitudeof Y-axis ineach figurediminishingas better
vacuum is achieved in the test systemandoverall outgassingof
components decreases
