Powder metallurgy processes – Forming articles by uniting randomly associated metal particles
Reexamination Certificate
2011-03-22
2011-03-22
King, Roy (Department: 1733)
Powder metallurgy processes
Forming articles by uniting randomly associated metal particles
C204S298120, C204S298130, C427S181000, C427S446000
Reexamination Certificate
active
07910051
ABSTRACT:
In various embodiments, large-area sputtering targets are formed by providing a plurality of sputtering targets each comprising a backing plate and a refractory metal layer disposed thereon, and spray depositing a refractory metal powder on an interface between the sputtering targets, the refractory metal powder consisting essentially of the same metal as each refractory metal layer, thereby joining the refractory metal layers of the sputtering targets.
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Gaydos Mark
Kumar Prabhat
Miller Steve A.
Zimmermann Stefan
Bingham & McCutchen LLP
H.C. Starck GmbH
H.C. Starck Inc.
King Roy
Mai Ngoclan T
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