Reverse Treated Copper
Reverse treated copper foil is manufactured by applying copper nodularization, brass thermal barrier and passivation to the shiny smooth side of the foil rather than to the roughened matte side of the foil as is done when manufacturing conventional copper foil. They Include:
Foil type |
IPC-4562 Grade |
Typical thickness µm |
Application |
|
|---|---|---|---|---|
1 |
9/12/18/35/70/105 |
Epoxy/non-Epoxy laminates |
|
|
3 |
12/18/35/70/105 |
Epoxy/non-Epoxy laminates |
|
|
1 |
12/18/35 |
PTFE |
|
