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Luminophore slurry involved in the composition of a layer excited by low-speed electrons in a fluorescent display screen and method of manufacture of the luminophore layer
Luminophore slurry involved in the composition of a layer excited by low-speed electrons in a fluorescent display screen and method of manufacture of the luminophore layer
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机译:荧光显示屏中涉及由低速电子激发的层的组成的发光体浆料和发光体层的制造方法
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摘要
The present invention describes a luminophore layer which emits rays with high luminous efficiency by means of electron beams at a post-acceleration voltage of 0.1 to 2 kV. The heat-resistant protective layer is composed of potassium silicate, silicon dioxide and zinc which are deposited on particles of a luminophore material. The method consists in mixing a photosensitive resin having a photosensitive styrile pyridinium group with the abovementioned luminophore particles, so as to obtain a liquid slurry. The luminophore layer is constituted accoding to a predefined model on a substrate with the aid of the said liquid slurry according to a known photolithography method. The substrate on which the luminophore layer is deposited is subsequently sintered at a temperature varying from 450 to 480 DEG C. The photosensitive resin is characterised by a high thermal stabilisation power; it decomposes thermally by sintering at elevated temperature.
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