| 摘要 |
The invention provides apparatus for exposing a face of a panel, in particular a printed circuit panel, the device including a light source. The device further comprising: two moving shutters suitable for masking said light source, each of said shutters presenting a respective edge, said edges together defining a window through which a light zone is generated on said face of the panel to be exposed; means for displacing said shutters in a plane lying between said light source and said panel; and control means for controlling the displacement of said shutters in such a manner that both shutters move past said face of the panel at substantially the same speed and in the same direction.
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