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Extraordinary adhesion of a simple niobium metal-bonding structure
Published online by Cambridge University Press: 03 March 2011
Abstract
Extraordinary adhesion of a Nb-based/Au-Sn metallization structure on a SiO2/Si substrate has been observed by a tensile pull test. The metallization bond fails mostly via fracture through either the Si substrate or epoxy adhesive. The intrinsic adhesion pull strength of the metallization scheme is concluded to be greater than 10 kpsi, and the adhesion exceeds the Si-Si cohesive strength. The Nb-Si and Nb-O bonds at the interface are thermodynamically stable.
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- Copyright © Materials Research Society 1995
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