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    • 5. 发明公开
    • Optical receiver module including plurality of photo detectors
    • Optisches Empfangsmodul mit mehreren Photodetektoren
    • EP2846483A1
    • 2015-03-11
    • EP14178911.5
    • 2014-07-29
    • FUJITSU LIMITED
    • Yagisawa, Takatoshi
    • H04B10/40H05K1/02
    • H04B10/40H03F3/08H04B10/60H05K1/0243H05K1/181H05K2201/10121
    • An optical receiver module includes: a circuit board (20); a plurality of photo detectors (21, PD1-PD4) mounted on a first surface of the circuit board; a plurality of amplifiers (22, TIA1-TIA4) mounted on the first surface; a plurality of anode wiring patterns (24a) that are respectively formed between anode terminals of the photo detectors and the amplifiers on the first surface; a plurality of cathode wiring patterns (24c) that are respectively formed between cathode terminals of the plurality of photo detectors and the plurality of amplifiers on the first surface; and an electrode (27) formed on a second surface of the circuit board or in an inner layer of the circuit board so as to include a region in which the plurality of cathode wiring patterns are formed. The plurality of cathode wiring patterns are respectively electrically connected to the electrode.
    • 光接收模块包括:电路板(20); 安装在所述电路板的第一表面上的多个光电检测器(21,PD1-PD4) 安装在所述第一表面上的多个放大器(22,TIA1-TIA4) 分别形成在所述光检测器的阳极端子和所述第一表面上的所述放大器之间的多个阳极布线图案(24a) 分别形成在多个光电检测器的阴极端子和第一表面上的多个放大器之间的多个阴极布线图案(24c) 以及形成在所述电路板的第二表面上或所述电路板的内层中以便包括形成有所述多个阴极布线图案的区域的电极(27)。 多个阴极布线图案分别电连接到电极。