Stress-balanced coating composite for dielectric surface of gas

Details Stress-balanced coating composite for dielectric surface of gas Stress-balanced coating composite for dielectric surface of gas

1973-09-21

1976-08-24

Weiffenbach, Cameron K.

Stock material or miscellaneous articles

Metal continuous phase interengaged with nonmetal continuous...

313201, 313213, 313214, 313217, 428426, 428428, 428432, H01J 6130, H01J 6504

Patent

active

039768236

ABSTRACT:
There is disclosed a multiple gaseous discharge display memory panel having an electrical memory and capable of producing a visual display, the panel being characterized by an ionizable gaseous medium in a gas chamber formed by a pair of opposed dielectric material charge storage members, each of which is respectively backed by an array of electrodes, the electrodes behind each dielectric material member being appropriately oriented with respect to the electrodes behind the opposing dielectric material member so as to define a plurality of discrete discharge volumes constituting a discharge unit.
The surface of each dielectric material charge storage member contains a first layer of at least one compound of Group IIA, Al, Si, Ti, Zr, Hf, or mixtures thereof; a second layer of at least one compound of Group IIA, Al, Si, Ti, Zr, Hf, or mixtures thereof which is chemically different from the first layer; and a third layer of an electron-emissive material; the combination of the first and second layers being sufficient to prevent ion migration from the dielectric to the third layer and sufficient to provide a thermally and structurally stable base for the third layer; and the second layer being chemically inert relative to the third layer.

REFERENCES:
patent: 2708726 (1955-05-01), Atherton
patent: 3496011 (1970-02-01), Crosby et al.
patent: 3499167 (1970-03-01), Baker et al.
patent: 3634719 (1972-01-01), Ernsthausen
patent: 3716742 (1973-02-01), Nakayama

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