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    • 5. 发明授权
    • Electric charge generator for use in an apparatus for producing an
electrostatic latent image
    • 用于静电潜像产生装置的电荷发生器
    • US5742468A
    • 1998-04-21
    • US541684
    • 1995-10-10
    • Kazuya MatsumotoYukiaki MinamotoJun FunazakiMichitsugu ArimaMasashi KitazawaFumitaka OzekiShigeru Komiyama
    • Kazuya MatsumotoYukiaki MinamotoJun FunazakiMichitsugu ArimaMasashi KitazawaFumitaka OzekiShigeru Komiyama
    • B41J2/415G03G15/32G03G15/00
    • G03G15/323B41J2/415
    • An electric charge generator for use in an apparatus for producing an electrostatic latent image includes a plurality of charge generation controlling devices, each charge generation controlling device including: an insulating substrate; a line electrode formed on the insulating substrate; a solid dielectric film formed on the surface of the line electrode; a finger electrode having a hole for generating an electric charge, the hole being formed in the central part of the finger electrode, the finger electrode being formed on the solid dielectric film; a solid insulating film having a hole for passing the electric charge, the hole being formed in the central part of the solid insulating film, the solid insulating film being formed on the finger electrode; and a screen electrode having a hole for ejecting the electric charge, the hole being formed in the central part of the screen electrode, the screen electrode being formed on the surface of the finger electrode via the solid insulating film; wherein the plurality of charge generation controlling devices are arranged on the insulating substrate so as to form the electric charge generator. The solid insulating film is formed of a multilayer solid insulating film including a surface-side layer made of an inorganic insulating film and a substrate-side layer made of an organic insulating film whereby the durability and the reliability are improved.
    • 一种用于制造静电潜像的装置的电荷发生器包括多个电荷产生控制装置,每个电荷产生控制装置包括:绝缘基板; 形成在所述绝缘基板上的线电极; 形成在线电极表面上的固体电介质膜; 具有用于产生电荷的孔的指状电极,所述孔形成在指状电极的中心部分,指状电极形成在固体电介质膜上; 固体绝缘膜,具有用于使电荷通过的孔,所述孔形成在所述固体绝缘膜的中心部分,所述固体绝缘膜形成在所述指状电极上; 以及具有用于喷射电荷的孔的屏幕电极,所述孔形成在所述屏幕电极的中心部分,所述屏电极经由所述固体绝缘膜形成在所述指状电极的表面上; 其中所述多个电荷产生控制装置被布置在所述绝缘基板上以便形成所述电荷发生器。 固体绝缘膜由具有由无机绝缘膜构成的表面侧层和由有机绝缘膜构成的基板侧层的多层固体绝缘膜形成,由此提高了耐久性和可靠性。