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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP4319675ApriorityCriticalpatent/JPS51118361A/en
Publication of JPS51118361ApublicationCriticalpatent/JPS51118361A/en
PURPOSE: To decrease omitting gas volume when cathode attached, and to get same emission character with the traditional oxide cathode by using BaZrO3 with Ni-Zr alloy base as heat electronic cathode material for color TV reciever.