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Lead-free Solder Attach for 200oC Applications

Keywords: Solder alloy, High temperature, Die Attach

Conventional lead-free solders have a melting point of 217oC to 227oC limiting their suitability for applications at 200oC. A new AgBiX solder has been introduced with a potential for 200oC applications. This paper will examine the processing, microstructure and reliability (200oC storage and -55oC to 200oC thermal cycling) of this alloy for component attachment.

Wayne Johnson, Professor and Chair Tennessee Technological University Cookeville, TN USA