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    • 5. 发明授权
    • Electrophotographic photosensitive member having surface of non-monocrystalline carbon with controlled wear loss
    • 具有非单晶碳表面的电子照相感光构件具有受控的磨损损失
    • US06183930B2
    • 2001-02-06
    • US09218632
    • 1998-12-22
    • Shigenori UedaJunichiro HashizumeMakoto Aoki
    • Shigenori UedaJunichiro HashizumeMakoto Aoki
    • G03G2100
    • G03G21/0017G03G5/08285G03G5/14704
    • For stably obtaining high-quality images with good cleaning properties, with neither occurrence of uneven scraping of a surface layer of a light receiving member nor fusion of a toner, and without occurrence of an image defect even without provision of a heater, the wear loss of the surface layer of a non-monocrystalline hydrogenated carbon film is made not less than 1 Å/10,000 sheets nor more than 10 Å/10,000 sheets after completion of copying processes of A4-size transfer sheets, each copying process including developing an image on a light receiving member with a developer having an average grain diameter of 5 to 8 &mgr;m, then transferring the developer image onto a transfer medium, and thereafter scrape-cleaning the surface of the light receiving member with an elastic rubber blade having the hardness of not less than 70 nor more than 80.
    • 为了稳定地获得具有良好清洁性能的高质量图像,即使没有加热器也不会发生光接收部件的表面层的不均匀刮擦,也不会发生调色剂的熔融,并且即使没有加热器也不会发生图像缺陷,磨损 的非单晶氢化碳膜的表面层在A4尺寸转印纸的复印过程完成之后不小于1 / 10,000张,不大于10埃/ 10,000张,每个复印过程包括显影图像 具有平均粒径为5〜8μm的显影剂的光接收元件,然后将显影剂图像转印到转印介质上,然后用硬度不高的弹性橡胶刮刀刮擦光接收元件的表面 小于70,不超过80。
    • 6. 发明授权
    • Plasma process method
    • 等离子体工艺方法
    • US06410102B1
    • 2002-06-25
    • US08874584
    • 1997-06-13
    • Junichiro HashizumeShigenori UedaMakoto Aoki
    • Junichiro HashizumeShigenori UedaMakoto Aoki
    • C23C1456
    • H01J37/32082C23C16/4405C23C16/5093
    • A plasma process, which can fabricate a deposition film in short time and at low cost, which can fabricate a deposition film with excellent reproducibility, which can greatly decrease the cleaning time upon cleaning, and which is optimum for fabricating a deposit film, especially a photosensitive member for electrophotography, capable of achieving a high charge potential upon electrification and capable of obtaining clear images with less image defects, is arranged such that a raw-material gas comprising silicon is introduced into a deposition chamber while evacuating the deposition chamber capable of being kept airtight in a vacuum, the raw-material gas is decomposed by high-frequency power in the VHF band, film formation is carried out to form a deposit film on a substrate installed in the deposition chamber, and thereafter cleaning inside the deposition chamber is carried out by etching and removing a deposit film depositing inside the deposition chamber, using a gas containing at least fluorine and using high-frequency power of a frequency lower than the VHF band.
    • 一种等离子体工艺,其可以在短时间和低成本下制造沉积膜,其可以制造具有优异再现性的沉积膜,这可以大大降低清洁时的清洗时间,并且其最适于制造沉积膜,特别是 能够在充电时实现高电荷电位并且能够获得具有较少图像缺陷的清晰图像的电子照相用感光构件被布置成使得包含硅的原料气体被引入沉积室,同时抽真空沉积室 在真空中保持气密,原料气体在VHF带中被高频功率分解,进行成膜以在安装在沉积室中的基板上形成沉积膜,然后在沉积室内进行清洗 通过蚀刻和去除沉积在沉积室内的沉积膜,使用含有l的气体进行 东氟,使用频率低于VHF频段的高频功率。
    • 7. 发明授权
    • Light receiving member having a surface protective layer with a specific
outermost surface and process for the production thereof
    • 具有具有特定最外表面的表面保护层的光接收元件及其制造方法
    • US5849446A
    • 1998-12-15
    • US785862
    • 1997-01-21
    • Junichiro HashizumeShigenori UedaMakoto Aoki
    • Junichiro HashizumeShigenori UedaMakoto Aoki
    • G03G5/08C23C16/26C23C16/56G03G5/043G03G5/082G03G5/147
    • C23C16/56C23C16/26G03G5/0433G03G5/08221G03G5/08285G03G5/14704
    • A light receiving member comprising a electrically conductive substrate, a photoconductive layer composed of a non-single crystalline material containing at least silicon atoms as a matrix formed on said substrate by decomposing a silicon-containing raw material gas, and a surface protective layer composed of a non-single crystalline carbon material containing hydrogen formed on said photoconductive layer by decomposing a raw material gas comprising at least a hydrocarbon using a high frequency power with an oscillation frequency of 50 MHz to 450 MHz, wherein a 20 .ANG. or more thick surface side layer region of said surface protective layer composed of said non-single crystalline carbon material is etched at an etching speed of 0.1 to 50 .ANG./sec. by means of a fluorine-containing plasma produced by decomposing a fluorine-containing gas using a high frequency power with an oscillation frequency of 50 MHz to 450 MHz such that said surface protective layer has a thickness of 100 to 10000 .ANG. and has an etched surface deposited with fluorine atoms so as to cover said etched surface. And a process for producing said light receiving member.
    • 一种光接收元件,包括导电衬底,由至少含有硅原子作为基质的非单晶材料构成的光电导层,其通过分解含硅原料气体而形成在所述衬底上,以及表面保护层由 通过使用振荡频率为50MHz至450MHz的高频功率分解至少包含烃的原料气体,在所述光电导层上形成含有氢的非单晶碳材料,其中20或更厚的表面侧 以0.1至50安培/秒的蚀刻速度蚀刻由所述非单晶碳材料构成的所述表面保护层的层区域。 通过使用振荡频率为50MHz〜450MHz的高频功率分解含氟气体而制成的含氟等离子体,使得所述表面保护层的厚度为100〜10000,具有蚀刻面 沉积有氟原子以覆盖所述蚀刻表面。 以及用于制造所述光接收元件的工艺。
    • 8. 发明授权
    • Light-receiving member, image forming apparatus having the member, and image forming method utilizing the member
    • 光接收元件,具有该元件的成像设备和利用元件的图像形成方法
    • US06322943B1
    • 2001-11-27
    • US09057554
    • 1998-04-09
    • Makoto AokiShigenori UedaJunichiro Hashizume
    • Makoto AokiShigenori UedaJunichiro Hashizume
    • G03G5147
    • G03G5/0433G03G5/08285G03G5/14704
    • There is provided a light-receiving member comprising a photoconductive layer provided on an electroconductive substrate, and a surface layer provided on the photoconductive layer, the surface layer comprising non-single-crystal carbon containing at least fluorine, wherein the surface layer has a ratio of the area of a peak having center in the vicinity of 1200 cm−1 or 1120 cm−1 in the infrared absorption spectrum to the area of a peak having center in the vicinity of 2920 cm−1 being in a range from 0.1 to 50. The light-receiving member allows to obtain a high-quality image without faint image or smeared image in any ambient conditions without use of heating means for the light-receiving member, and has high durability enough for maintaining such high quality characteristics. It can also prevent, by the absence of the heating means, the adhesion of low melting toners such as color toners and the unevenness in image density, generated at the rotating interval of the developer. Besides, it has a high sensitivity, is free from image defects resulting from charge leaking, and is capable of stably providing high-quality images without change with elapse of time.
    • 提供了一种光接收元件,其包括设置在导电基底上的光电导层,以及设置在光电导层上的表面层,该表面层包含至少含有氟的非单晶碳,其中该表面层的比例 在红外吸收光谱中具有中心在1200cm -1或1120cm -1附近的具有中心在2920cm -1附近的峰的区域的面积的面积在0.1至50的范围内 光接收部件允许在任何环境条件下获得高质量的图像,而不会对光接收部件使用加热装置,并且具有足够高的耐久性以保持这种高质量特性。 也可以通过不加热装置防止在显影剂的旋转间隔产生的低熔点调色剂如彩色调色剂的粘附和图像浓度不均匀。 此外,它具有高灵敏度,没有由于充电泄漏而导致的图像缺陷,并且能够随着时间的推移稳定地提供高质量的图像而不改变。
    • 9. 发明授权
    • Electrophotographic photosensitive member
    • 电子照相感光构件
    • US6001521A
    • 1999-12-14
    • US178884
    • 1998-10-27
    • Junichiro HashizumeShigenori UedaMakoto Aoki
    • Junichiro HashizumeShigenori UedaMakoto Aoki
    • G03G5/082G03G5/147G03G5/047
    • G03G5/08221G03G5/08285G03G5/14704
    • For providing an electrophotographic photosensitive member that can always maintain good images without occurrence of fusion of toner, independent of the circumstances and the combination of urging pressure of a cleaner, process speed, components contained in toner, etc. and that can always maintain good images of high resolution and even density without occurrence of uneven shaving against a cleaning system or toner, the outermost surface thereof is comprised of a non-monocrystalline carbon film comprising hydrogen and having a dynamic hardness not less than 300 kgf/mm.sup.2 nor more than 1300 kgf/mm.sup.2 measured using a diamond stylus of a triangular pyramid having a tip of a radius not more than 0.1 .mu.m and an edge-to-edge angle of 115.degree., or the outermost surface thereof is comprised of a non-monocrystalline carbon film comprising hydrogen and having a critical load at rupture of the film not less than 50 mN and not more than 700 mN measured when exerting a load on a diamond stylus having a tip of a radius not more than 15 .mu.m while moving the stylus at an amplitude of 20 to 100 .mu.m, an oscillation frequency of 30 Hz, and a feed rate of 2 to 20 .mu.m/sec.
    • 为了提供电子照相感光构件,其可以始终保持良好的图像,而不会发生调色剂的融合,而与情况无关,并且清洁剂的施加压力,处理速度,包含在调色剂中的组分等的组合并且可以始终保持良好的图像 高分辨率和均匀的密度,而不会对清洁系统或调色剂产生不均匀的剃刮,其最外表面由包含氢的非单晶碳膜组成,动态硬度不小于300kgf / mm2,不大于1300kgf / mm2由具有半径不大于0.1μm的尖端和115°的边缘到边缘角度的三角锥形金刚石触针测量,或其最外表面由非单晶碳膜组成,所述非单晶碳膜包括 氢气,并且当在金刚石触针板上施加负载时测量的薄膜破裂时的临界负载不小于50mN且不大于700mN 在20至100微米的振幅移动触针,振荡频率为30Hz,进给速度为2至20微米/秒的同时,将半径不超过15微米的尖端。
    • 10. 发明授权
    • Photosensitive member for electrophotography and fabrication process
thereof
    • 电子照相用感光体及其制造方法
    • US5976745A
    • 1999-11-02
    • US924309
    • 1997-09-05
    • Makoto AokiShigenori UedaJunichiro Hashizume
    • Makoto AokiShigenori UedaJunichiro Hashizume
    • G03G5/08G03G5/082G03G5/147
    • G03G5/08221G03G5/08285G03G5/14704
    • With a plasma being generated between a cathode electrode to which a high-frequency power is applied and an electrically conductive substrate opposed to the electrode in a reaction vessel the pressure of which can be reduced, a photoconductive layer having the matrix of silicon atoms is deposited on a substrate to be processed, a surface layer comprised of non-monocrystal carbon containing hydrogen is provided on the photoconductive layer, a surface of the surface layer is etched to fluorinate the surface, the surface roughness Rz by etching is controlled below 1000 .ANG., the fluorine contained in the surface layer is made present within 50 .ANG. from the surface, and the concentration of fluorine to carbon in that region is 20% or more, thereby providing a photosensitive member for electrophotography that can obtain high-quality images free of image faintness and image smearing without using a heating means for the photosensitive member, that has high durability, that shows less change in potential characteristics, that can obtain high-quality images on a stable basis, and that is free of the ghost phenomenon and providing a fabrication process of the photosensitive member.
    • 通过在施加高频功率的阴极电极和反应容器内与电极相对的导电基板之间产生等离子体,其压力可以降低,沉积具有硅原子基体的光电导层 在待加工的基板上,在光电导层上设置由非单晶碳构成的表面层,表面层的表面被蚀刻以氟化表面,通过蚀刻将表面粗糙度Rz控制在1000以下, 表面层中所含的氟使表面存在于50以内,并且该区域中氟与碳的浓度为20%以上,从而提供可获得无图像的高质量图像的电子照相用感光体 没有使用用于感光构件的加热装置,具有高耐久性的微弱和图像涂抹,其显示出来 电位特性的变化,可以在稳定的基础上获得高质量的图像,并且没有重影现象并提供感光构件的制造工艺。