Infrared Attenuating or Blocking Layer in Optical Proximity Sensor
作者： Rani Saravanan , Wee Sin Tan , James Costello
DOI:
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摘要: An optical proximity sensor is provided that comprises an infrared light emitter detector, a first molded optically transmissive pass component disposed over and covering the second detector. Located in-between component, detector gap. Layers of opaque, attenuating or blocking material are on at least some external surfaces forming gap to substantially attenuate block transmission undesired direct, scattered reflected between thereby minimize crosstalk interference
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