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 |
|
