Focus Dry Active EEG Electrodes Ready Leave a Comment / EEG Dev Kit / By Mike Here’s a quick look at the final stages of the focus EEG Dry Active Electrode production. We clean the pad area of the active PCB inside the electrode. Then we attach the conductive silicone to the electrode. Finished! Ready to box and ship. Join Our Newsletter No spam, only foc.us news. Unsubscribe any time.