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Subject Item
dbpedia:Getter
rdfs:comment
A getter is a deposit of reactive material that is placed inside a vacuum system, for the purpose of completing and maintaining the vacuum. When gas molecules strike the getter material, they combine with it chemically or by adsorption. Thus the getter removes small amounts of gas from the evacuated space.The getter is usually a coating applied to a surface within the evacuated chamber.A vacuum is initially created by connecting a closed container to a vacuum pump.
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