Copper on Plastic Circuits

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  • From Supercon by Hackaday - [1]
  • Workflow - Coat the plastic with a PTFE bike-chain lubricant to keep the catalyst from adhering. Laser the lubricant off in places where you’d like copper traces, dip the part in a wetting agent to make the catalyst stick better where the laser has gone, and then dip in catalyst and in an electroless copper plating bath. Bam!