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Dedicated Tool for Process Development
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Uyemura
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SEHO makes production lines smarter
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| Ask the Experts |
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January 14, 2008 - Updated
January 14, 2008 - Originally Posted
Lead Free Surface Finish
What is the shelf life for PCB's with a Sn/Ag/Cu surface finish (96.5/3.0/0.5)?
Can you steer me to some supporting documentation?
J. O.
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| Expert Panel Responses |
There is limited data on shelf life for SAC HASL
I would recommend you use the IPC steam aging test to independently confirm shelf life.
Dr. Craig D. Hillman
CEO & Managing Partner
DfR Solutions
Dr. Hillman's specialties include best practices in Design for Reliability, strategies for transitioning to Pb-free, supplier qualification, passive component technology and printed board failure mechanisms.
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Epoxy Offers Ultra High Heat Transfer
Bond EP5TC-80 is a NASA low outgassing rated epoxy that achieves a thermal conductivity of 3.3-3.7 W/(m·K), while also retaining its electrical non-conductivity.
Master Bond
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