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US5013480A Phosphor for cathode ray tube 失效
荧光粉用于阴极射线管

Phosphor for cathode ray tube
Abstract:
A phosphor for a chathode ray tube obtained by firing a tervalent europium-activated yttrium oxide of the formula Y.sub.2 O.sub.3 :Eu containing at least one member selected from the group consisting of barium fluoride and magnesium fluoride.
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