System for checking the connection of conductor elements in a co

Details System for checking the connection of conductor elements in a co System for checking the connection of conductor elements in a co

1990-02-26

1992-01-28

Rosenberger, Richard A.

Optics: measuring and testing

Inspection of flaws or impurities

Having predetermined light transmission regions

358106, 250223R, G01N 2100, G01N 904

Patent

active

050838636

ABSTRACT:
A system is disclosed for checking the connection of first ends of electric conductors in the corresponding terminals of a connector having a rear face for introducing the ends of the conductors and a front face, each of the terminals being formed of a bore passing from one side to the other of the connector. This system further comprises, according to the invention, first illuminator for illuminating obliquely the front face of said connector, and electronic device for observing and displaying the front face, so that the variations of contrast on the front face of the connector make it possible to determine whether a particular conductor end is fitted into the appropriate terminal of the connector and whether the position of the conductor end is correct.

REFERENCES:
patent: 3473037 (1969-10-01), Schmermund
patent: 4028728 (1977-06-01), Sharp
patent: 4162126 (1979-07-01), Nakagawa et al.
patent: 4449818 (1984-05-01), Yamaguchi et al.
patent: 4644150 (1987-02-01), Kuga et al.
patent: 4688939 (1987-08-01), Ray
patent: 4697076 (1987-09-01), Yoshida
patent: 4727637 (1988-03-01), Buckwitz et al.
IBM Technical Disclosure Bulletin, "Dark-Field Inspection Tool for Semiconductor Devices", vol. 17 No. 4, Sep. 1974, Cook et al.

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