Combination of getter materials and device for containing...

Details Combination of getter materials and device for containing... Combination of getter materials and device for containing...

B - Operations, Transporting

01

J

B01J 20/06 (2006.01) H01J 7/18 (2006.01)

Patent

CA 2181623

A combination of getter materials particularly suitable to maintain vacuum in devices which cannot be heated at temperatures higher than about 200°C comprises: a) a mixture MO/Pd between an oxide of a transition metal MO chosen among cobalt oxide, copper oxide or their combinations and metallic palladium, wherein the latter is present up to about 2% by weight; and b) a moisture sorbing material. In particular applications it is possible to add to this combination also a barium- and lithium-based alloy, preferably BaLi4. Getter devices for containing such a combination are also described.

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