The method of making neon lamp is to use low melting point na-fo-ca-silicate glass as lamp tube, to design different patterns and characters according to needs, to process with a blowtorch, then to Sinter electrode, and to vacuum, and according to the requirements of the color filled with different rare gas and made.
Modern neon lights are more elaborate, with some bending glass tubes into a variety of folded shapes to make more appealing graphics, others painting the inside of the tubes with fluorescent powder to make the colors brighter and more colorful, and some neon lights with automatic igniters, make the light of all kinds of colors, one after another, make the city night become colorful. Neon lights have been around for hundreds of years since they came out in 1910. It is a special low pressure cold cathode glow discharge light source, unlike other arc lamps such as fluorescent lamps, high pressure sodium lamps, metal-halide lamp, Mercury Lamps, incandescent lamps and so on.
