Method and apparatus for detecting wiring patterns

Details Method and apparatus for detecting wiring patterns Method and apparatus for detecting wiring patterns

1986-02-25

1989-03-28

Fields, Carolyn E.

Radiant energy

Luminophor irradiation

2504591, 356237, 358106, G01N 2188, G01N 2164

Patent

active

048166863

ABSTRACT:
Method and apparatus for detecting wiring patterns wherein a printed circuit board is irradiated with a light ray which excites a substrate of the printed circuit board to generate a fluorescent radiation from the substrate, the fluorescent radiation generated from portions other than a wiring pattern of the printed circuit board is imaged by means of an image detector, and a negative pattern of the wiring pattern is detected on the basis of an image signal generated from the image detector.

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patent: 4536654 (1985-08-01), Vaerman
patent: 4608494 (1986-08-01), Kobayashi et al.
patent: 4672209 (1987-06-01), Karasaka et al.
patent: 4679938 (1987-07-01), Flamholz
patent: 4700225 (1987-10-01), Hara et al.

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