FPC Thin-Gold Surface Protection
A diagnostic and validation framework for discoloration, corrosion spots and exposed underlayer risks on thin-gold flexible printed circuits.
Diagnostic and validation guideHigh-value technical solutions
Select the actual finish and failure mode. Product selection comes after diagnosis and controlled sample comparison.
ENIG Salt-Spray Corrosion Protection
A problem-led approach to black spots, discoloration and underlayer corrosion on electroless nickel immersion gold finishes.
Diagnostic and validation guideGold-Finish Protection for Reflow and High Temperature
A validation method for discoloration, solderability and electrical performance after baking or multiple reflow cycles.
Diagnostic and validation guideDiscuss a real sample
Provide the substrate, finish, photos, downstream process and test conditions. We will first determine whether the problem belongs to the finish, cleaning, material or protection stage.