| 摘要 |
A vacuum fluorescent print head (60) for photographic printing paper having luminous elements with phosphorous objects (64, 164) arranged linearly in a main scanning direction to form a plurality of luminous element arrays (90, 190) arranged in a sub-scanning direction at right angles to the main scanning direction. The luminous elements (62, 63, 64; 162, 163, 164) of the luminous element arrays (90; 190) are arranged at predetermined intervals, and the luminous element arrays are arranged relative to one another, such that light beams radiating from the luminous elements of one of the luminous element arrays and from the luminous elements of another of luminous element arrays lie close to one another without overlapping in the sub-scanning direction.
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