Gas Panel with Improved Operating Margin
Original Publication Date: 1980-Jul-01
Included in the Prior Art Database: 2005-Feb-13
Gaseous discharge display devices are generally fabricated by forming conductors on glass plates or substrates, overcoating the conductors with a layer of dielectric material, and utilizing a coating of refractory secondary emissive material, such as magnesium oxide, over the dielectric to protect the surface of the panel against degradation from ion bombardment and provide lower operating voltages. The two plates are then sealed about their edges, the panel is evacuated, and a Penning gas mixture, such as neon-argon, is introduced into the panel under a less than atmospheric pressure during a backfill operation. A burn-in operation then takes place in which all cells are turned on for a predetermined period of time to stabilize the electrical parameters of the display, and the panel tested.