... , including Neon Tube,Color Tube,Color Tube (no coating),Clear Neon Tube, Lead Neon Tube,Lead Free Neon Tube,Neon Transformer,Neon ... the electrode shell of electron emission and reducing sputtering, prolonging life of neon tube, the electrode is coated with ... with Ceramic collar electrode5.With this development, tube starting, working, electron emission generate in the electrode shell inner wall, ...