Encyclopedia > Cold cathode

Article Content

Cold cathode

A cold cathode vacuum tube is one in which there is no cathode heater[?]. In such a tube, glow discharge[?] is usually minimized, in favor of arc[?] discharge. Some important examples include the krytron[?], sprytron[?], and ignitron[?] tubes.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Canadian Charter of Rights and Freedoms

... democratic society); limits on freedom of expression are accepted as in Canada (art. 9(2) ECHR: subject to such formalities, conditions, restrictions or penalties as are ...