Quote:
Originally Posted by eberts
Nope, the getter only works on a singular molecular level on the surface it is deposited on. Surface area of getter flash is more important than amount of material in getter. You need a good hard vacuum for the tube to work.
Maybe you could rebuild a tube connected to a molecular ion pump continously, then you won't have to worry about a slow leaker.
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I think Bob did mean "large" in terms of area and not thickness. I believe the getter flash does do better than a single mono-layer, but its pumping speed decreases.
John