... products, including Neon Tube,Color Tube,Color Tube (no coating),Clear Neon Tube, Lead Neon Tube,Lead Free Neon Tube,Neon Transformer,Neon Electrode ... collar electrode5.With this development, tube starting, working, electron emission generate in the electrode shell inner wall, so it is ... not easily deposited onto the glass wall sputtering which ensure the neon tube longer ...