COPPER PLATING
Copper plating can be from matte to a very shiny finish. It has good corrosion resistance when used as a undercoat for other plated coatings.
There are a number of copper plating processes available, each designed for a specific purpose, and ranging from decorative to heat treat stop-off.
Specification |
Comments |
|---|---|
| MIL-C-14550 B | |
| Class 0 | .001 – .005″ for heat treatment stop-off shield |
| Class 1 | .001″ min. for carburizing shield, decarburizing shield and printed circuit board plated through holes. |
| Class 2 | .0005″ min. as under coat for nickel and other metals |
| Class 3 | .0002″ min. to prevent basis metal migration into tin layer to poison solderability |
| Class 4 | .0001″ min. same as Class 3 |
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