Possible Characteristics for a Dielectric Triode

A resistance-network analogue technique is described for the solution of problems of space-charge-limited flow of electric current in dielectric media. Possible electrode arrangements are proposed for the construction of dielectric triodes, based on the use of a plane parallel-sided crystal of dielectric material (e.g. cadmium sulphide). The investigation of the properties of these geometries, by the above analogue technique, is described. Results are given for the valve characteristics and parameters. It is shown that a device with properties similar to those of some thermionic triodes is possible with this simple type of geometry, provided that sufficient control can be exercised over the deposition of the electrodes.