Importance

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Abstract

Apparatus to eject on demand discrete hollow microsphere droplets that are characterized by a highly regular and predictable spherical shape, devoid of tails or other irregularities common in the prior art with a selected pure gas contained in the center. With this method and apparatus, droplets may be formed of any suitable material including glass, ceramic, plastic, or metal. A variety of gases at various pressures including complete vacuums may be contained in the hollow microsphere. Microspheres filled with ionizable gas may be used as pixels in a plasma display panel. Microspheres used as a pixel elements may be referred to as Plasma-spheres. The inside of each Plasma-sphere may contain a luminescent material such as a phosphor and/or a secondary electron emission material such as magnesium oxide or a rare earth oxide introduced during the gas filling of the microsphere.

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First Claim