Betekenis van:
cold cathode
cold cathode
Zelfstandig naamwoord
- a cathode that is a source of electrons without being heated
Hyperoniemen
Voorbeeldzinnen
- Parts of cathode ray tubes; parts of thermionic, cold cathode or photo cathode valves and tubes, n.e.c.
- Parts of thermionic, cold cathode/photo-cathode valves/tubes including for vacuum, vapour/gas filled valves/tubes, mercury arc rectifying valves/tubes, television camera tubes
- Cold-cathode tubes, whether gas filled or not, operating similarly to a spark gap, having all of the following characteristics:
- Cold cathode tubes, whether gas filled or not, operating similarly to a spark gap, having all of the following characteristics:
- Thermionic, cold cathode or photocathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode ray tubes, television camera tubes)
- Thermionic, cold cathode or photocathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode ray tubes, television camera tubes):
- The presence of a scanner that uses cold cathode fluorescent lamp (CCFL) technology or a technology other than CCFL, such as light-emitting diode (LED), halogen, hot-cathode fluorescent tube (HCFT), xenon, or tubular fluorescent (TL) technologies.
- Switching devices, as follows: a. cold cathode tubes, whether gas filled or not, operating similarly to a spark gap, having all of the following characteristics:
- Mercury in cold cathode fluorescent lamps and external electrode fluorescent lamps (CCFL and EEFL) for special purposes not exceeding (per lamp):
- Switching devices, as follows: a. Cold cathode tubes, whether gas filled or not, operating similarly to a spark gap, having all of the following characteristics:
- The presence of a scanner that uses cold cathode fluorescent lamp (CCFL) technology or a technology other than CCFL, such as light-emitting diode (LED), halogen, hot-cathode fluorescent tube (HCFT), xenon, or tubular fluorescent (TL) technologies. This adder is applied only once, regardless of the lamp size or the number of lamps/bulbs employed.
- Cold cathode (CCFL) or External Electrode (EEFL) fluorescent lamps, of a diameter of not more than 5 mm and with a length of more than 120 mm but not more than 1570 mm
- Cold cathode tubes, whether gas filled or not, operating similarly to a spark gap, having all of the following characteristics: 1. Containing three or more electrodes; 2. Anode peak voltage rating of 2,5 kV or more; 3. Anode peak current rating of 100 A or more 100 A; and 4. Anode delay time of 10 μs or less; Note: 3A228 includes gas krytron tubes and vacuum sprytron tubes.
- Capable of continuously producing, over a time period of 8 hours, 20 kV or greater with current output of 1 A or greater; and b. Current or voltage stability better than 0,1 % over a time period of 8 hours. 3A228 Switching devices, as follows: a. Cold cathode tubes, whether gas filled or not, operating similarly to a spark gap, having all of the following characteristics: 1. Containing three or more electrodes; 2. Anode peak voltage rating of 2,5 kV or more; 3. Anode peak current rating of 100 A or more 100 A; and 4. Anode delay time of 10 μs or less; Note: 3A228 includes gas krytron tubes and vacuum sprytron tubes.