| 摘要 |
1322847 Electro-photography FUJI PHOTO FILM CO Ltd 28 Oct 1971 [31 Oct 1970] 50283/71 Heading G2H In a multi-colour process in which the steps of uniformly charging, imagewise exposure and liquid development are repeated on a single photoconductive member, the member is treated in the dark with a polar alcohol, ketone or ether for a period of 1 sec to 1 min before each repetition, to eliminate light fatigue from the previous exposure. The liquid may be methyl alcohol, ethyl alcohol, acetone, methyl ethyl ketone, methyl acetate, ethyl formate or propyl formate. The photo-conductive member preferably comprises photo-conductive powder dispersed in a thermosetting resin as binder.
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