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    • 45. 发明授权
    • Long size image sensor having improved consistency among individual
photosensors
    • 长尺寸图像传感器具有改善各个光电传感器之间的一致性
    • US4763010A
    • 1988-08-09
    • US24701
    • 1987-03-11
    • Masaki FukayaToshiyuki KomatsuTatsumi ShojiMasaru KamioNobuyuki Sekimura
    • Masaki FukayaToshiyuki KomatsuTatsumi ShojiMasaru KamioNobuyuki Sekimura
    • H01L27/146H01L31/09H04N1/031H04N1/40H01L31/00H01L27/14
    • H01L31/095H01L27/14665H04N1/031H04N1/40056
    • There is a photosensor comprising: a photoconductive layer containing amorphous silicon provided on a substrate in which this photoconductive layer consists of laminated films of two or more layers having different refractive indexes and the refractive index of the lowest layer of the laminated films is not larger than 3.2 for the incident light of a wavelength of 6328 .ANG.; a pair of electrodes provided in electrical contact with the photoconductive layer; and a photo sensing section. A long size image sensor unit is constituted by a plurality of such photosensors arranged like an array, a matrix drive circuit to matrix-drive each photosensor, and a light source such as light emitting diodes of a fluorescent lamp to illuminate an original to be read. With this image sensor unit, it is possible to provide a low-cost image reading apparatus which can read an image on the original at a high speed in which: the uniformity of the characteristic of each photosensor is improved; a variation in signal between the bits is reduced; a correction circuit for such a variation is unnecessary; and the peel-off of the photoconductive layer does not occur. A method of manufacturing such photosensors is also disclosed.
    • 有一种光电传感器,它包括:一个光电导层,它包含非晶硅,它设置在基片上,该光电导层由具有不同折射率的两层或更多层的叠层膜组成,层压薄膜最低层的折射率不大于 3.2对于波长为6328的入射光ANGSTROM; 一对与光电导层电接触的电极; 和感光部。 长尺寸图像传感器单元由排列成阵列的多个这样的光电传感器,矩阵驱动电路,矩阵驱动每个光电传感器以及诸如荧光灯的发光二极管的光源来照亮待读取的原稿 。 利用该图像传感器单元,可以提供一种低成本图像读取装置,其可以高速读取原稿上的图像,其中:每个光电传感器的特性的均匀性得到改善; 位之间的信号变化减小; 不需要用于这种变化的校正电路; 并且不会发生光电导层的剥离。 还公开了制造这种光电传感器的方法。