摘要 |
A line head, includes: a substrate which is transmissive and includes a first surface and a second surface facing the first surface; a plurality of light emitting elements which are arranged on the first surface of the substrate and emit light beams; a wiring which is arranged on the first surface of the substrate and is connected with the plurality of light emitting elements; a lens array that includes a plurality of imaging lenses which are arranged facing the light emitting elements at a side of the second surface of the substrate and focus the light beams emitted from the facing light emitting elements to form spots; and an optical sensor which detects the light beams emitted from the light emitting elements and is arranged on the second surface of the substrate.
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