2 ms·
How does copper cladding work? That is, how do the manufacturers get copper onto the FR-4?
by krallja 7y ago
How does copper cladding work? That is, how do the manufacturers get copper onto the FR-4?
- skykooler 7y agoI believe it's actually done the other way around - the "substrate" is deposited on copper foil.
- lux_scintilla 7y agoIt is glued down. The fiberglass (FR4) is filled with glue, the back of copper foil is lightly roughed up with an oxidizer and then the materials are laminated together.