Light exposure installation of a double-sided printed circuit pl

Details Light exposure installation of a double-sided printed circuit pl Light exposure installation of a double-sided printed circuit pl

1997-05-14

1999-03-09

Mathews, Alan A.

Photocopying

Contact printing

Step and repeat

355 72, 355 75, 356401, G03B 2704

Patent

active

058808205

ABSTRACT:
The invention relates to a light exposure installation of a double-sided printed circuit plate through a first and a second artwork equipped with a location mark. It includes a first and a second fixed supporting structure in a horizontal plane, a first and a second support of the first and second artworks, 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 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 for moving independently said first support with respect to said circuit and said second support with respect to said circuit depending on the detected positioning errors.

REFERENCES:
patent: 4827316 (1989-05-01), Brown
patent: 5272502 (1993-12-01), Saiki
patent: 5337151 (1994-08-01), Baxter et al.
patent: 5403684 (1995-04-01), Schroeder et al.
patent: 5548372 (1996-08-01), Schroeder et al.

Affiliated with

Also associated with

Rating

Light exposure installation of a double-sided printed circuit pl does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Light exposure installation of a double-sided printed circuit pl, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Light exposure installation of a double-sided printed circuit pl will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1326563