Barrel bright acid copper process FFI-22
INTRODUCTION
FFI-22 is a bright acid copper process formulated to produce a fine-grained, excellent coverness,
uniform, bright copper deposit. The process exhibits best capability of uniform plating. It is for
barrel plating.
BENEFITS
The capability of uniformplating is excellent, even plating through hole;
The deposit exhibits brightness and the excellent capability of uniform plating;
The deposit has no stress, and is suitable for thermal cycle test;
No need to treat the plating solution with active carbon for long time.
STANDARD BATH COMPOSITION
Unit | Range | Optimum | |
CuSO4•5H2O | g/L | 60 - 100 | 80 |
H2SO4 | %(v/v) | 9 - 12 | 10 |
Clˉ | mg/L | 30 - 80 | 50 |
FFI-22 R | mL/L | 4 - 6 | 5 |
FFI-22 Mu | mL/L | 3 - 6 | 5 |