Printed Circuit Board Assembly & PCB Design SMT Electronics Assembly Manufacturing Forum

Printed Circuit Board Assembly & PCB Design Forum

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AuSn solder alloy

Indy

#26723

AuSn solder alloy | 26 December, 2003

hi, I wondering if anyone have any information on intermetallic growth in 80Au20Sn solder alloy. I have read that it has high reliability. Which bring an important question to my mind. What about Gold embrittlement ? Bye Indy

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#26745

AuSn solder alloy | 30 December, 2003

You're thinking correctly. 80Au20Sn is incompatible with: * Sn/Pb * In/Sn * Sn/Pb/In * Sn/Pb/Bi

Contact your solder supplier to obtain pictures of IMC.

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