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Fujitsu Ltd
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Fujitsu Ltd
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Application filed by Fujitsu LtdfiledCriticalFujitsu Ltd
Priority to JP1889677ApriorityCriticalpatent/JPS53103326A/en
Publication of JPS53103326ApublicationCriticalpatent/JPS53103326A/en
PURPOSE: To form a precise and minute character mold as well as to reduce the size of the unit, by attaching the character mold in front of the collector electrode and forming the character mold and the collector electrode with an insulator and a good conductor respectively.