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    • 9. 发明授权
    • Screen photosensitive member and electrophotographic method
    • 屏幕感光件和电子照相方法
    • US4308331A
    • 1981-12-29
    • US55592
    • 1979-07-09
    • Noboru NaritaKeiichi MuraiTeruo Misumi
    • Noboru NaritaKeiichi MuraiTeruo Misumi
    • G03G5/14G03G15/05G03G13/044
    • G03G5/14G03G15/052
    • The invention concerns a screen photosensitive member, and an electrophotographic method using such screen photosensitive member, and relates to improvement in the screen constructed with an electrically conductive member, a photoconductive layer provided on the electrically conductive member, and a surface insulative layer constituting the screen surface at the side opposite to at least a modulating corona source. More particularly, the screen according to the present invention is further provided, at the side of the modulating corona source, with a potential holding layer which holds thereon corona ions applied to it and maintains the surface of the screen at the side of the modulating corona source at a predetermined potential.By the use of the screen of the present invention, it becomes possible to improve the potential of a latent image formed on the screen and, moreover, to effect ion modulation repeatedly from one and the same latent image formed on the screen owing to the capability of the potential holding layer to maintain the potential on one surface side of the screen at a predetermined level and to absorb due to the characteristic of this potential holding layer, excessive charge for the modulation as applied to the screen.
    • 本发明涉及一种屏幕感光构件和使用这种屏幕感光构件的电子照相方法,涉及改进用导电构件构成的屏幕,设置在导电构件上的光电导层和构成屏幕的表面绝缘层 在与至少调制电晕源相对的一侧的表面。 更具体地说,根据本发明的屏幕还在调制电晕源侧设置有电位保持层,电位保持层保持施加到其上的电晕离子并将屏幕表面保持在调制电晕侧 源处于预定电位。 通过使用本发明的屏幕,可以提高形成在屏幕上的潜像的电位,此外,由于能力而在屏幕上形成的同一潜像重复地进行离子调制 的电位保持层,以将屏幕的一个表面侧的电位保持在预定水平,并且由于该电位保持层的特性而吸收,因此施加到屏幕上的调制的电荷过大。