# 17-27-038

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.

Publication date: 2020-12