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    • 4. 发明申请
    • ELECTROSTATIC INFORMATION RECORDING MEDIUM AND ELECTROSTATIC INFORMATION RECORDING/REPRODUCING METHOD
    • 静电信息记录介质和静电信息记录/再现方法
    • WO1991007701A1
    • 1991-05-30
    • PCT/JP1990001496
    • 1990-11-16
    • DAI NIPPON PRINTING CO., LTD.UTSUMI, MinoruOBATA, HiroyukiTAKE, SeijiIIJIMA, MasayukiKAMIYAMA, Hironori
    • DAI NIPPON PRINTING CO., LTD.
    • G03G05/02
    • G11B9/08G03G5/02G03G15/04072G03G15/221G11B11/08
    • An electrostatic information recording medium of the invention comprises: an electrode layer (13) and a charge-holding layer, wherein the charge-holding layer is made up of a laminate of a resin layer (11a) having a low glass transition temperature and a heat-resistant insulating layer (11b); at least an electrode layer (13) and a charge-holding layer, as well as a polymer layer provided on the charge-holding layer, the polymer layer containing a pentaflurostyrene as a monomer component and having a weight average molecular weight of 10,000 to 2,000,000; a photoconductive layer and a charge-holding layer arranged between a pair of electrodes, wherein an electrostatic latent image formed by the exposure while applying a voltage across the two electrodes or formed by the application of a voltage while effecting the exposure, is held on the surface of the charge-holding layer by peeling the charge-holding layer from the electrode; or a charge transit layer formed on the electrode, wherein information by toner is recorded on the surface of the charge transit layer and when an electrostatic charge is given to the surface, the charge given onto the toner is poured into the charge transit layer through electrically conductive material of toner to form electrostatic information corresponding to toner information on the charge transit layer maintaining excellent electrostatic information-holding characteristics, and wherein the electrostatic information stored in the electrostatic information recording medium remains very stable since it is stored in the charge-holding layer and, at the time of reproducing information, the potential difference between the electrode and the surface potential is measured to easily detect the potential difference, enabling the information to be easily reproduced maintaining high quality and high resolution.
    • 6. 发明申请
    • IMAGE RECORDING METHOD, APPARATUS FOR SAID METHOD AND METHOD OF PRODUCING SAID APPARATUS
    • 图像记录方法,用于描述方法的装置和生产装置的方法
    • WO1991007702A1
    • 1991-05-30
    • PCT/JP1990001497
    • 1990-11-16
    • DAI NIPPON PRINTING CO., LTD.AONO, TakashiUTSUMI, MinoruOBATA, HiroyukiICHIMURA, KohjiIIJIMA, Masayuki
    • DAI NIPPON PRINTING CO., LTD.
    • G03G15/00
    • G03G15/05G03G5/02G03G15/04045G03G15/221G03G15/758
    • A photoconductive photosensitive member (2) and a charge retaining medium (1), which face one another at a predetermined interval, are exposed to light while a voltage is applied between them from an external power source (E). The discharge occurring in the exposed areas produces an electrostatic image on the charge retaining medium. In this method, the applied voltage is removed a predetermined time after a shutter (13) is closed so that all the carriers generated in the photosensitive member can be transferred to the charge retaining medium. Accordingly, the quantity of charge corresponding to an exposure quantity is stored in the charge retaining medium irrespective of the kind of the photoconductive member used. If the charge retaining medium or photosensitive member is charged in advance in this case, a positive image can be obtained with the external power source disconnected. Alternatively, the applied voltage may be removed after the photosensitive members are separated from the charge retaining member on which an electrostatic charge image has been formed. In this case, the image is prevented from distortion. On the other hand, if a spacer for keeping the photosensitive member and the charge retaining member in a spaced-apart relation is formed integrally with either the photosensitive member or the charge retaining medium, the discharge gap can easily be kept constant. Further, if the electrode of the photosensitive member or that of the charge retaining medium at a spacer portion is removed, it is effective to prevent dielectric breakdown which may be caused through the spacer.
    • 在从外部电源(E)施加电压的同时,以预定间隔彼此面对的感光感光构件(2)和电荷保持介质(1)暴露于光。 在曝光区域发生的放电在电荷保持介质上产生静电图像。 在这种方法中,在快门(13)关闭之后的预定时间内去除所施加的电压,使得在感光构件中产生的所有载体可以被传送到电荷保持介质。 因此,与曝光量相对应的电荷量被存储在电荷保持介质中,而与使用的感光体的种类无关。 如果在这种情况下预先充电电荷保持介质或感光构件,则可以在外部电源断开的情况下获得正像。 或者,可以在将感光构件从其上形成有静电电荷图像的电荷保持构件分离之后去除施加的电压。 在这种情况下,防止图像失真。 另一方面,如果用于将感光构件和电荷保持构件保持为间隔开的间隔件与感光构件或电荷保持介质一体地形成,则放电间隙可以容易地保持恒定。 此外,如果除去感光构件的电极或电荷保留介质的间隔部分的电极,则有效地防止可能通过间隔物引起的电介质击穿。
    • 7. 发明申请
    • POTENTIAL SENSOR USING ELECTRO-OPTICAL CRYSTAL AND METHOD OF MEASURING POTENTIAL
    • 使用电光晶体的潜在传感器和测量潜在的方法
    • WO1991007666A1
    • 1991-05-30
    • PCT/JP1990001466
    • 1990-11-13
    • DAI NIPPON PRINTING CO., LTD.TAKANO, AtsushiUTSUMI, MinoruOBATA, Hiroyuki
    • DAI NIPPON PRINTING CO., LTD.
    • G01R15/07
    • G01R1/071G01R15/242
    • A monolithic sensor (10) is constituted by epitaxially growing a high-resistance compound semiconductor (12) on a low-resistance compound semiconductor (11), and further forming a reflecting dielectric film (13) thereon. The low-resistance compound semiconductor (11) has a large band gap so that the probe light is not absorbed but passes therethrough. The semiconductor (11) has a lattice constant and a coefficient of thermal expansion close to those of the high-resistance compound semiconductor, and a resistivity of smaller than 10 ohm.cm so that it can also be used for an electrode. The high-resistance compound semiconductor (12) has a large band gap so that light of a short wavelength can be used, since a change in retardation increases with the decrease in the wavelength of the probe light. The semiconductor (12) has a large electro-optical constant and a resistivity of greater than 10 ohms.cm. Therefore, a sensor is constituted maintaining good workability and very high surface accuracy permitting less optical deterioration.
    • 单片传感器(10)通过在低电阻化合物半导体(11)上外延生长高电阻化合物半导体(12),并在其上进一步形成反射电介质膜(13)而构成。 低电阻化合物半导体(11)具有大的带隙,使得探针光不被吸收而通过。 半导体(11)具有接近高电阻化合物半导体的晶格常数和热膨胀系数,并且电阻率小于10 + 1欧姆·厘米,使得它也可以用于电极 。 高电阻化合物半导体(12)具有大的带隙,从而可以使用短波长的光,因为延迟的变化随着探测光的波长的减小而增加。 半导体(12)具有大的电光常数和大于10 5欧姆·厘米的电阻率。 因此,构成传感器维持良好的可操作性和非常高的表面精度,从而允许较少的光学劣化。
    • 10. 发明申请
    • ELECTROSTATIC DATA RECORDING MEDIUM AND ELECTROSTATIC DATA RECORDING/REPRODUCING METHOD
    • 静电数据记录介质和静电数据记录/再现方法
    • WO1990010892A1
    • 1990-09-20
    • PCT/JP1990000341
    • 1990-03-15
    • DAI NIPPON PRINTING CO., LTD.IIJIMA, MasayukiDANTANI, KyojiOBATA, HiroyukiMATSUO, MakotoUTSUMI, MinoruTAKE, Seiji
    • DAI NIPPON PRINTING CO., LTD.
    • G03G05/02
    • G03G5/02G02F1/135G03G5/0202G03G15/04072G03G15/0435G03G15/05G03G15/18G11B9/08G11B11/08
    • The electrostatic data recording medium (110) of the invention comprises an electrode layer (113) and a charge-holding layer (111). The method of laminating the charge-holding layer (111) and the structure of the layer are improved. Further, the electrostatic data are converted into visible or positional data. Thereby, the medium has excellent characteristics of data holding, and the electrostatic data can be stored for a longer period of time. According to the electrostatic data recording method of the invention, the electrostatic data recording medium (110) is so disposed as to face a photosensitive member (1) having a photoconductive layer (9) on an electrode (7), image exposure is carried out while a voltage is applied across the electrodes (113) and (7), and electrostatic data corresponding to the image exposure are recorded in the electrostatic data recording medium (110). The electrostatic data recorded in the charge-holding layer (111) can be easily reproduced by reading the surface potentials, to amplify and output the signals, or by an electro-optical method, or by developing with toner. The electrostatic data recording medium (110) of the invention has storage capacity with a high data density of 8 x 10 bits/cm . The electrostatic data recording method which uses a photosensitive member makes it possible to accomplish two-dimensional data-recording, and to record analog, digital, picture, voice and (0, 1) data, and to realize the application electrostatic data recording cards, etc.
    • 本发明的静电数据记录介质(110)包括电极层(113)和电荷保持层(111)。 层叠电荷保持层(111)的方法和层的结构得到改善。 此外,静电数据被转换成可见或位置数据。 因此,该介质具有优异的数据保存特性,并且可以将静电数据存储较长时间。 根据本发明的静电数据记录方法,静电数据记录介质(110)被布置为面对在电极(7)上具有光电导层(9)的感光构件(1),进行图像曝光 同时在电极(113)和(7)之间施加电压,并且对应于图像曝光的静电数据被记录在静电数据记录介质(110)中。 记录在电荷保持层(111)中的静电数据可以通过读取表面电位,放大和输出信号,或通过电光学方法或通过用调色剂显影来容易地再现。 本发明的静电数据记录介质(110)具有8×10 8位/ cm 2的高数据密度的存储容量。 使用感光元件的静电数据记录方法可以实现二维数据记录,并记录模拟,数字,图像,语音和(0,1)数据,并实现应用静电数据记录卡, 等等