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Chemicals for Printed Circuit Boards
Electroplating additives and processes for the
manufacturing of printed circuit boards (PCB)
Innerlayer Treatment:
Black oxide based on chlorite
Brown oxide based on hydrogen peroxide
Smear Removal, 3-step process:
Sweller (various systems for normal and high Tg-materials)
Permanganate (sodium or potassium)
Neutralizer (with or without glass fiber conditioning)
Conventional PTH with electroless copper (horizontal/vertical)
Based on tartrate or Quadrol as a complexing agent
Deposition rates between 1.2 and 6.0 A?m/h
Acid Copper (horizontal/vertical)
Vertical DC, soluble anodes
Vertical pulse, soluble anodes
Horizontal DC, insoluble anodes
Horizontal pulse, insoluble anodes
Electrolytic Tin
Based on methanesulfonic acid (MSA)
Silky bright deposition
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