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November 12, 2007 - Updated
November 12, 2007 - Originally Posted

The Role of Formic Acid

Does Formic Acid play an important role in solder paste for lead free?
Peter Gong
Expert Panel Responses
Formic acid is one of the weak organic acids that can be used in no-clean formulations to prepare the conductor surface for solder wetting. So, in that regards, it can play an important role in solder paste for lead free. My apologies, but the question is somewhat vague. Can the questioner provide more specifics?

Dr. Craig D. Hillman
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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