| 摘要 |
A light radiating device is formed of a casing having an opened lower surface arranged at a perforating plane of a heatsensitive stencil sheet; a light emitting device arranged within the casing; and reflection mirrors including lower side reflection mirror contacted with the perforating plane of the heatsensitive stencil sheet, an upper side reflection mirror in continuous with the lower side reflection mirror in a predetermined angle and an upper reflection mirror arranged in continuous with the upper side reflection mirror and in parallel with the perforating plane of the heatsensitive stencil sheet. The mirrors are arranged in the casing and reflect light from the light emitting means against the perforating plane of the heatsensitive stencil sheet.
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