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(center) A vacuum tube with a "flashed getter" coating on the inner surface of the top of (left) The inside of a similar tube, showing the reservoir that holds the material that is. — “Getter - Wikipedia, the free encyclopedia”, en.wikipedia.org
Such rapid heating rates are often attained by high intensity lamps or lasers. for N/P junction formation and impurity gettering, hydrogen diffusion for impurity and defect passivation, and formation of. — “Rapid thermal processing - Wikipedia, the free encyclopedia”, en.wikipedia.org
The swirling ions strike the chemically active cathode inducing sputter and are then pumped by chemisorption which effectively "Gettering and Ion Pumping". High-Vacuum Technology: A Practical Guide (ISBN 082478197X). — “Ion pump (physics) - Wikipedia, the free encyclopedia”, en.wikipedia.org