Method of sealing a gas discharge display without a tubulation

Details Method of sealing a gas discharge display without a tubulation Method of sealing a gas discharge display without a tubulation

H - Electricity

01

J

316/6, 313/1.6

H01J 17/49 (2006.01) H01J 9/00 (2006.01) H01J 9/26 (2006.01)

Patent

CA 1136202

Abstract A method for constructing a gas discharge display with- out the utilization of an exterior exhaust tubulation structure. When the face plate and base plate of the display device are as- sembled in face-to-face relation, irregularities in the sealing frit material provide vias to the interior envelope of the gas display device to allow evacuation of the envelope and the intro- duction of the ionized gas. The frit material is preglazed to ensure a hermetic seal between the plates when the frit is melted. Specially designed biasing means are attached to the plates to provide a tighter force between the plates while the frit material is being melted and devitrified to seal the interior envelope containing the ionizable gas.

328225

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