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    • 2. 发明授权
    • Photodiode controlled electron velocity selector image tube
    • 光电二极管控制电子速度选择器影像管
    • US3885187A
    • 1975-05-20
    • US40573173
    • 1973-10-11
    • US ARMY
    • SCHNITZLER ALVIN D
    • H01J29/36H01J31/50H01L27/00H01J31/12
    • H01J31/50H01J29/36H01J2231/50026H01J2231/50063H01L27/00
    • An electronic imaging device of the multigrid type having a novel photo-cathode that is uniformly flooded with a bias light on the front surface, or grid side, and is adapted to emit a flow of electrons from the front surface in direct proportion to a pattern of infrared light incident on the back surface of the photocathode. The photocathode comprises a mosaic of discrete electrically isolated photodiode-photoemitter islands with external grids adjacent to and separated from the photoemitter islands and an antireflection coating on the back surface of a Ptype substrate portion of the photodiode. A mosaic of evenly spaced N-type islands are contiguous with the P-type material with a layer of insulation deposited on the front side of the Ptype substrate surrounding the N-type islands. Discrete photoemitter islands are contiguous with the N-type islands, or are contiguous with a metallic layer deposited directly on the Ntype islands, with each of the discrete photodiode-photoemitter islands being discrete and electrically isolated on the photoemitter side of the substrate.
    • 一种多栅格型电子成像装置,具有新颖的光阴极,其在前表面或栅极侧均匀地充满偏光,并且适于从正面与图案成正比地发射电子流 的入射到光电阴极背面的红外光。 光电阴极包括离散的电隔离光电二极管 - 光电发射体岛的马赛克,与发光体岛相邻并分离的外部栅极,以及在光电二极管的P型衬底部分的背面上的抗反射涂层。 均匀间隔的N型岛的马赛克与P型材料相邻,P型材料具有沉积在围绕N型岛的P型衬底的前侧上的绝缘层。 离散光发射器岛与N型岛相邻,或者与直接沉积在N型岛上的金属层相邻,其中每个离散的光电二极管 - 发光体岛在衬底的光发射器侧是离散的和电隔离的。
    • 6. 发明授权
    • Enhanced sensitivity photodetector having a multi-layered, sandwich-type
construction
    • 具有多层夹心式结构的增强型灵敏度光电探测器
    • US4839511A
    • 1989-06-13
    • US149707
    • 1988-01-29
    • James C. ThompsonUzi J. EvenChi-Woo Kim
    • James C. ThompsonUzi J. EvenChi-Woo Kim
    • H01J1/34H01J1/78H01J9/12H01J29/36
    • H01J29/36H01J1/34H01J1/78H01J9/12H01J9/233H01J2201/3425
    • A photoconductive member is provided with increased sensitivity to radiation incident thereupon and with increased photo-yield in response thereto by means of a multi-layered, sandwich-type construction based upon the provision of successive layers of sensitizing material over corresponding successive layers of conducting material. The photoconductive member comprises at least two composite layers formed one above the other on an insulating substrate, each composite layer comprising a first layer of material capable of conducting charge and a second layer of material comprising polar molecules disposed upon the charge-conducting material layer in such a manner that successive layers of polar molecules are adsorbed and retained in an oriented fashion on successive layers of the charge-conducting material. In combination, the alternating layers of charge-conducting material and polar molecules increase photo-yield in response to a given quantum of incident radiation and also increase the range of wavelength of incident radiation to which the photoconductive member is responsive. The sandwich-type construction permits photoconductor sensitivity to be increased as a function of the number of layers of conducting material and polar molecules used to form the photoconductive surface. The multi-layered construction also exhibits reduced sensitivity to the degrading effects of impurities, is adapted to convenient fabrication, and exhibits extended lifetime.
    • 光电导元件被提供对其入射的辐射的增加的灵敏度,并且通过基于在相应的连续的导电材料层上提供连续的敏化材料层的多层夹层结构,响应于此而增加的光产率 。 光电导元件包括至少两层复合层,绝缘基板上形成一层复合层,每个复合层包括能够导电的第一层材料和第二层材料,该第二层材料包含位于导电材料层上的极性分子 这样一种方式使连续的极性分子层被吸附并以取向形式保持在导电材料的连续层上。 组合地,电荷传导材料和极性分子的交替层响应于给定的入射辐射量而增加光产率,并且还增加光电导元件响应的入射辐射的波长范围。 夹层结构允许光电导体灵敏度随着用于形成光导表面的导电材料和极性分子的层数的增加而增加。 多层结构对于杂质的降解效果也表现出降低的敏感性,适于方便的制造,并且具有延长的使用寿命。