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Achieving AuSn eutectic mixture through evaporation

Hi, I want to deposit Au:Sn 80:20 eutectic mixture onto a wafer through my evaporation system. If any one has the experience on this please suggest the best way in thermal/ e-beam/ flash ?

Krishna Mohan
Scientific officer - Bangalore, India
July 3, 2011

I do not have any experience in depositing AuSn alloy. But during evaporation Au & Sn are likely to separate out and result in a film with different composition. It would perhaps be Sn-Au two layered film. Co-sputtering of Au & Sn would give a better control on the composition.

H.R. Prabhakara - Consultant
Bangalore Plasmatek - Bangalore Karnataka India
July 7, 2011

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