H - Electricity – 01 – J
Patent
H - Electricity
01
J
96/217
H01J 9/22 (2006.01) H01J 9/227 (2006.01)
Patent
CA 1078245
ABSTRACT: The electrophotographic manufacture of the phosphor patterns for a display screen of a colour television display tube. This process is performed in as many stages as there are different phosphor zones and possibly also for a light-absorbing intermediate pattern. Contamination of a phosphor which has al- ready been precipitated may easily occur with a next phosphor in this case. According to the invention this is obviated by an intermediate rinsing operation with a solution of an antistatic agent.
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