Automatic printed circuit board imaging system

Details Automatic printed circuit board imaging system Automatic printed circuit board imaging system

1986-01-31

1987-06-30

LaRoche, Eugene R.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250548, 198345, 198394, 271227, 271236, 414225, G01N 2186, B65G 4724, B65H 914, B65H 920

Patent

active

046773037

ABSTRACT:
A printed circuit board imaging system automatically aligns apertures on a board with reference points established by light beams located outside an exposure unit. The reference points have a known spatial relation to alignment pins in the enclosure. A movable arm engages an aligned board, moves it into the exposure unit and deposits it on the pins.

REFERENCES:
patent: 3543679 (1970-12-01), Wahl
patent: 4147930 (1979-03-01), Browne et al.
patent: 4539479 (1985-09-01), Sheets et al.

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