3 papers
physics.app-ph2018
Development of different methods and their efficiencies for the estimation of diffusion coefficients following the diffusion couple technique
Varun A. Baheti, Aloke Paul
The interdiffusion coefficients are estimated either following the Wagner's method expressed with respect to the composition (mol or atomic fraction) normalized variable after cons…
cond-mat.mtrl-sci2018
Bifurcation of the Kirkendall marker plane and the role of Ni and other impurities on the growth of Kirkendall voids in the Cu Sn system
Varun A Baheti, Sanjay Kashyap, Praveen Kumar +2
The presence of bifurcation of the Kirkendall marker plane, a very special phenomenon discovered recently, is found in a technologically important Cu Sn system. It was predicted ba…
physics.app-ph2018
Diffusion-controlled growth of phases in metal-tin systems related to microelectronics packaging
Varun A Baheti
The electro–mechanical connection between under bump metallization (UBM) and solder in flip–chip bonding is achieved by the formation of brittle intermetallic compounds (IMCs)…