CATHODE AGING METHOD FOR COLOR CATHODE-RAY TUBE

PURPOSE:To effectively perform cathode aging by setting the cathode temperature in the flashing process to a temperature exceeding a specified temperature. CONSTITUTION:By the even balance between the evaporation of Ba at high temperatures and a damage such as the deterioration of dielectric strengt...

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Bibliographische Detailangaben
1. Verfasser:	YOSHIGI SHIYOUJI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY
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Beschreibung
Zusammenfassung:	PURPOSE:To effectively perform cathode aging by setting the cathode temperature in the flashing process to a temperature exceeding a specified temperature. CONSTITUTION:By the even balance between the evaporation of Ba at high temperatures and a damage such as the deterioration of dielectric strength characteristics resulting from the evaporation, the time when a high temperature exceeding 1,350 deg.K is kept is set to 2 to 5min and the flashing temperature is allowed to exceed 1,350 deg.K or desirably is set to 1,400 deg.K. As a result, good cathode activation is obtained and good emission can be maintained during life and stable characteristics can be obtained for a long period of time.