Method of electrophotographically manufacturing a display...

H - Electricity – 01 – J

Patent

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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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