Step-like defect in LCD area of tin plating
December 22, 2008
I'M DOING ACID TIN PLATING. ITS CAPACITY 3000 LTS. WE ARE DOING EXACTLY .25 DM2 AREA COMPONENT. IN THIS COMPONENT LCD LIKE A STEP PLATING AND TARNISH AND WHITE MARK WE ARE GETTINGRAMAN CHANDRAN
SUPERVISOR - BANGALORE, India
December 27, 2008
There are a few things that can cause step plating. Low tin metal concentration, sulphuric acid too low, tin starter low (if applicable). Another possible cause is organic contamination. Bring the bath up to spec with a good chemical analysis. If the problem still persists, put in two or three sets of carbon cartridges through your filter system.
Process Engineer - Syracuse, NY, USA
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