filament cathode造句

These usually had directly heated thoriated filament cathodes that glowed like light bulbs.
The electron beam is produced by an electron gun, commonly fitted with a tungsten filament cathode as the electron source.
In a typical SEM, an electron beam is thermionically emitted from an electron gun fitted with a tungsten filament cathode.
The General Electric Tungar rectifier was a gas-filled electron tube device with a tungsten filament cathode and a carbon button anode.
In contrast, the magnetron used a conventional hot filament cathode, a system that was widely used in radio systems producing hundreds of kilowatts.
It's difficult to find filament cathode in a sentence. 用filament cathode造句挺难的

A typical hot-cathode thyratron uses a heated filament cathode, completely contained within a shield assembly with a control grid on one open side, which faces the plate-shaped anode.