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Fabrication and Characterization of Hohlraums with a Co-Mixed Gold-Boron Layer

J. S. Jaquez, A. Nikroo, H. L. Wilkens

Fusion Science and Technology / Volume 55 / Number 3 / April 2009 / Pages 313-317

Technical Paper / Eighteenth Target Fabrication Specialists' Meeting /

A specialized magnetron co-sputtering process to fabricate a 0.3- to 0.6-m-thick sputtered gold-boron (AuB) liner in inertial confinement hohlraums (inertial confinement fusion) to the specified concentration of 80% Au and 20% B has been developed at General Atomics. The AuB layer concentration in atomic percent is characterized by witness pieces using depth-profiling Auger electron spectroscopy. The results of the initial research and development effort and the yield in pilot production of AuB-lined gold hohlraums are presented.

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