check out my open source design with logo on back silk screen.
THis is a ncp non contact capacitive active electrode.
The logo is on the back slilkscreen from a image.
NeuroCyberProsthetics is a open source shield design for a biopotential mensurement system EEG EMG that mesures 4-8 sets of electrodes on the forarm and ground electrode on the wrist to take mesurements and classify them after the user goes through calibration steps.
here is the logo
here are some pictures of the main shield board that hooks onto leaflabs maple r5 arm board it is like a arduino.