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The PCBs are pre-covered with copper and the etching is done with a copper-corrosive material Not sure if it exists a similar process for gold
by raverbashing 5y ago
The PCBs are pre-covered with copper and the etching is done with a copper-corrosive material
Not sure if it exists a similar process for gold
- denton-scratch 5y agoPresumably you can etch gold using aqua regia. Not sure what you might use for the resist, though.
- qwezxcrty 5y agoGold can be readily etched with some iodine chemistry. But in this application, it's going to be hard to justify the higher cost.