A device for exposing a face of a panel

Details A device for exposing a face of a panel A device for exposing a face of a panel

G - Physics

03

F

G03F 7/22 (2006.01) G03B 27/50 (2006.01) G03F 7/20 (2006.01) H01L 21/027 (2006.01)

Patent

CA 2410328

18 The invention provides apparatus for exposing a face (22) of a panel (20), in particular a printed circuit panel, the device including a light source (26). The device further comprising: .cndot. two moving shutters (16A, 168) suitable for masking said light source (26), each of said shutters (16A, 16B) presenting a respective edge, said edges together defining a window through which a light zone is generated on said face (22) of the panel (20) to be exposed; .cndot. means (32) for displacing said shutters (16A, 16B) in a plane (P) lying between said light source (26) and said panel (20); and .cndot. control means (34') for controlling the displacement of said shutters (16A, 26B) in such a manner that both shutters (16A, 16B) move past said face (22) of the panel (20) at substantially the same speed (V) and in the same direction.

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