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US 4,960,471 AGranted
Controlling the oxygen content in tantalum material
AssigneeCabot Corporation
InventorsJames A. Fife, Robert A. Hard
Life of this patent
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Abstract
A process for controlling the oxygen content in tantalum material comprising heating the material under a hydrogen-containing atmosphere in the presence of a getter composite comprising a getter metal encapsulated in tantalum.
Claims8
A process for controlling the oxygen content in tantalum material comprising heating said material at a temperature ranging from about 900.degree. C. to about 2400.degree. C. under a hydrogen-containing atmosphere in the presence of a getter composite comprising a getter metal encapsulated in tantalum wherein said getter metal is more oxygen active than the tantalum material.
Dependencies are inferred from the claim text.