Migration
Migration On Coated Surface
Apparent dendritic growth on the contact surface of conformal coating, useful for teaching that coated surfaces can still support contamination-assisted leakage.
Interpretation
Why this image matters
This image helps bridge the gap between abstract discussions of ionic leakage and the visible physical evidence of migration-driven electrical failure.
The report concluded that the GFI circuit most likely failed due to corrosion and electrochemical migration, causing an open circuit and potentially shorts between signals in the circuit.
For teaching use, it is especially valuable because it shows that conformal coating does not automatically eliminate contamination-assisted migration risk.
migration
electrochemical-migration
conformal-coating
leakage
Use this when
Best comparison value
- Teaching migration on or around coated surfaces
- Comparing coated-surface residues to active dendritic growth
- Discussing leakage and shorting risk under conformal coating
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