Title: Light exposure installation of double-sided printed circuit plate through artworks
Application Number: 97111563 Application Date: 1997.05.14
Publication Number: 1170149 Publication Date: 1998.01.14
Approval Pub. Date: 2002.11.06 Granted Pub. Date: 2002.11.06
International Classifi-cation: G03F7/20;G03F9/00
Applicant(s) Name: Automa-Tech Address:
Inventor(s) Name: Alain Sorel;Serge Charbonnier
Attorney & Agent: WANG YIPING
Abstract:
    The invention relates to a light exposure installation of a double-sided printed circuit plate with a location mark. It includes a first (10) and a second fixed supporting structure in a horizontal plane, a first and a second support of the first and second artworks (12), optical means for detecting the positioning errors between said circuit and said first and second supports, means for moving perpendicularly to its plane, one of said supports towards the other support, means (26, 28) arranged outside the unit made up of said supports and said circuit to maintain said circuit fixed in its plane with respect to said supporting structure; and means (20, 22) for moving independently said first support (12) with respect to said circuit and said second support with respect to said circuit depending on the detected positioning errors.
Time: 9
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