Exposure assembly for exposing a double-sided printed...

Details Exposure assembly for exposing a double-sided printed... Exposure assembly for exposing a double-sided printed...

2007-02-20

2007-02-20

Nguyen, Henry Hung (Department: 2851)

Photocopying

Projection printing and copying cameras

Detailed holder for photosensitive paper

C355S026000, C355S095000

Reexamination Certificate

active

10964636

ABSTRACT:
An exposure assembly and an exposure installation for exposing a double-sided printed circuit panel to light through a first and a second artwork, including at least one exposure assembly having a frame, a first and a second artwork support, means for moving closer/separating for the artwork supports, and means for holding the printed circuit panel. The installation furthermore includes an optical detection device for detecting position errors, a light source, and an optical device for directing a light beam emitted by said light source.The exposure assembly furthermore has a common displacement device making it possible to jointly displace the artwork supports, and a separate displacement device making it possible to displace the second artwork support with respect to the first artwork support.

REFERENCES:
patent: 5627378 (1997-05-01), Baxter
patent: 5995205 (1999-11-01), Sorel et al.
patent: 6700650 (2004-03-01), Sorel et al.
patent: 6806945 (2004-10-01), Ise et al.
patent: 2 748 887 (1997-11-01), None

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