cold cathode
cold cathode · cold cathodes
A type of cathode that does not use a heating element to produce emission of cathode…A type of cathode that does not use a heating element to produce emission of cathode rays (electrons), beyond base thermionic emission (usually by field electron emission, secondary emission, or photoelectric emission).
Meaning
1 sensesA type of cathode that does not use a heating element to produce emission of cathode rays (electrons), beyond base thermionic emission (usually by field electron emission, secondary emission, or photoelectric emission).
More definitions
- a cathode that is a source of electrons without being heated