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.

Finally, cold cathode lights can be used for much more than illuminating the inside of your computer or making your whip look like it can hover. [James] discovered if he varied the voltage going ...

[Fileark] had the backlight on his digital picture frame go out one day. These are generally Cold Cathode Fluorescent Lamps which require an inverter to source the voltage necessary for proper ...

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, ...

First FDA clearance for Nanox.ARC X to produce tomographic images for general use, including musculoskeletal, pulmonary, intra-abdominal and paranasal indicationsEnhanced imaging system features sleek ...

STRL is constructing a prototype display using graphite nanofiber (GNF) as its cold cathode material. GNF is a nanometer *1 scale fiber material composed of carbon. Because it easily emits ...