发明授权
US4680503A Glass composition suitable for use in a fluorescent lamp and in a cathode-ray tube, fluorescent lamp and cathode-ray tube manufactured using this glass composition 失效
适用于荧光灯和使用该玻璃组合物制造的阴极射线管,荧光灯和阴极射线管中的玻璃组合物

Glass composition suitable for use in a fluorescent lamp and in a
cathode-ray tube, fluorescent lamp and cathode-ray tube manufactured
using this glass composition
摘要:
The glass composition in accordance with the invention is characterized by the absence of alkali metal oxides and by the presence of at least 10% by weight of barium oxide.The glass composition in accordance with the invention has favorable working properties (melting temperature below 1500.degree. C., working range in excess of 200 Celsius degrees, it is very corrosion resistant (also in a strong electric field), it is resistant to metal vapors including mercury vapor, it does not attack a phosphor and it is not subject to blackening.The glass composition in accordance with the invention is extremely suitable for use in fluorescent lamps (TL-, SL- and PL-lamps) and in projection-television face plates.
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