Copper/niobium composite piping material produced by copper electroforming, process for producing the same and superconducting acceleration cavity produced from the composite piping material
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United States of America Patent
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Jun 25, 2013
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Mar 18, 2010
app pub date -
May 29, 2006
filing date -
May 30, 2005
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Abstract
In order to produce industrially advantageously an electroformed copper/niobium composite piping material wherein an electroformed copper layer and a niobium thin piping material are strongly bonded to each other, the electroformed copper/niobium composite piping material can be produced by coating any one or each of the outer peripheral surface and the inner peripheral surface of a niobium thin piping material with a nickel thin film, coating the surface of the nickel thin film with copper by electroforming, and subsequently annealing the resultant.
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