A cold cathode is a cathode in a gas-filled electron tube that is not heated by a filament. The voltage potential within the tube is sufficient to ionize the gas and cause the current to flow.

The subject of this tutorial, the Hitachi S-4700 FE-SEM, utilizes a cold cathode field emitter composed of a single crystal of tungsten etched to a fine point. In scanning electron microscopy, ...

MIKROE, the embedded solutions company that aims to cut development time by providing hardware and software products based on proven standards, has launched ...

The system utilizes advanced tomosynthesis technology with a cold cathode to create a more comprehensive, sliced three-dimensional view of the body, enhancing visualization with multiple layers of ...

Sturdy and reliable, the cold-cathode displays found their way into everything from scientific instruments to test equipment, and even some of the earliest computers and the equipment that formed ...