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tubular cold-cathode discharge lamp
neon tube
discharge tube having cathodes which can be coated with an electron emitting material and which, during the starting process without external heating, emits electrons by field emission
Note 1 to entry: Tubular cold-cathode discharge lamps have a low-pressure filling of a rare gas (or a mixture of rare gases) and possibly mercury vapour.
Note 2 to entry: Tubular cold-cathode discharge lamps can have an inside coating of fluorescent materials.