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    • 3. 发明授权
    • Electrophotographic apparatus comprising photosensitive layer of
amorphous silicon type photoconductor
    • 包括非晶硅型感光体的感光层的电子照相设备
    • US4607936A
    • 1986-08-26
    • US655533
    • 1984-09-28
    • Nobuhiro MiyakawaTeruaki HigashiguchiKoji YanoKazuo YamamotoYoshinobu Kawakami
    • Nobuhiro MiyakawaTeruaki HigashiguchiKoji YanoKazuo YamamotoYoshinobu Kawakami
    • G03G15/00G03G21/20G03G15/12
    • G03G15/751G03G21/203G03G21/206
    • Disclosed is an electrophotographic apparatus comprising a photosensitive drum comprising an amorphous silicon type photoconductor layer formed on an electroconductive substrate, a main charging mechanism for charging the surface of the drum with charges having a predetermined polarity, an imagewise exposure mechanism for forming an electrostatic image corresponding to an image of an original on the surface of the drum, a toner development mechanism for forming a toner image corresponding to the electrostatic image, a toner image transfer mechanism for transferring the toner image formed on the surface of the photosensitive drum to a predetermined paper sheet, a toner cleaning mechanism for removing the residual toner adhering to the surface of the photosensitive drum and a fixing mechanism for fixing the transferred toner image to said paper sheet, wherein a heating mechanism is arranged to heat the surface of the photosensitive drum at a temperature of 30.degree. to 40.degree. C.The problem of the flow of an image inherent to the use of an amorphous silicon type photoconductive layer is effectively solved if this electrophotographic apparatus is employed.
    • 公开了一种电子照相设备,其包括感光鼓,该感光鼓包括形成在导电性基体上的非晶硅型感光体层,用于以具有预定极性的电荷对滚筒表面充电的主充电机构,用于形成对应于静电图像的成像曝光机构 涉及一种用于形成与静电图像相对应的调色剂图像的调色剂显影机构,用于将形成在感光鼓表面上的调色剂图像转印到预定纸张上的调色剂图像转印机构 片材,用于除去附着在感光鼓表面上的残余调色剂的调色剂清洁机构和用于将转印的调色剂图像定影到所述纸张上的固定机构,其中设置加热机构以加热感光鼓的表面 温度在30〜40℃。问题 如果使用该电子照相设备,则有效地解决了使用非晶硅型光电导层固有的图像的流动。
    • 4. 发明授权
    • Two-component electrophotographic developer with magnetic carrier
    • 具有磁性载体的双组分电子照相显影剂
    • US4614698A
    • 1986-09-30
    • US802315
    • 1985-11-27
    • Nobuhiro MiyakawaKoji YanoKazuo YamamotoTeruaki HigashiguchiYoshinobu Kawakami
    • Nobuhiro MiyakawaKoji YanoKazuo YamamotoTeruaki HigashiguchiYoshinobu Kawakami
    • G03G9/08G03G9/10G03G9/107G03G9/14
    • G03G9/107G03G9/0819G03G9/0823
    • A two-component electrophotographic developer for use in developing a latent electrostatic image of a low potential. The developer is composed of a mixture of a magnetic carrier of spherical sintered ferrite particles having raised and depressed portions attributed to the primary particles on their surface, a median size of from 30 to 50 micrometers, an apparent density of less than 2.6 g/cc and an electric resistance, measured in the form of a magnetic brush, of from 6.times.10.sup.4 to 2.5.times.10.sup.6 ohms and chargeable toner particles having a volume inherent resistivity of at least 1.times.10.sup.13 ohms-cm and a specific inductive capacity of from 4 to 6. In a preferred embodiment, the chargeable toner particles have a median size of from 10 to 14 micrometers and are substantially free from particles having a particle diameter of not more than 5 micrometers. The developer can give an image of a high density, a high resolution and excellent gradation without brush marks.
    • 用于显影低电位潜静电图像的双组分电摄影显影剂。 显影剂由具有由其表面上的初级颗粒引起的凸起和凹陷部分的球形烧结铁氧体颗粒的磁性载体的混合物组成,中值尺寸为30至50微米,表观密度小于2.6g / cc 以及以磁刷的形式测量的电阻为6×10 4至2.5×10 6欧姆,并且具有至少1×10 13欧姆 - 厘米的体积固有电阻率和4至6的电感率的可带电荷的调色剂颗粒。在 可充电调色剂颗粒的中值粒径为10-14微米,基本上不含粒径不超过5微米的颗粒。 开发者可以提供高密度,高分辨率和优异的无刷痕迹的图像。