Title of Presentation - iNEMI
Title of Presentation - iNEMI
Title of Presentation - iNEMI
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Completion <strong>of</strong> Project: Open Questions<br />
• There is still plenty <strong>of</strong> work to be done to understand the<br />
nucleation and growth mechanisms for Sn whiskers and<br />
the necessary and sufficient conditions for Sn whiskers<br />
– Role <strong>of</strong> stress<br />
• Global vs. local stresses<br />
– Measurements difficult<br />
– Fundamental growth mechanisms<br />
• Stresses (excess energy): Necessary but not sufficient condition<br />
for whisker growth?<br />
– What are the whisker nucleation and growth mechanisms?<br />
– What other processes are involved?<br />
– Re-crystallization and growth: What are the details <strong>of</strong> these<br />
processes?<br />
– Impact <strong>of</strong> assembly processes<br />
– Test method improvements (reduce time and cost)<br />
– Better mitigation methods<br />
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