Method of and apparatus for locating B type and point type defec

Details Method of and apparatus for locating B type and point type defec Method of and apparatus for locating B type and point type defec

1976-03-16

1978-06-27

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

250572, 356200, G01N 2100, G01N 2116

Patent

active

040971511

ABSTRACT:
A beam of light is transmitted through a glass ribbon along a scan path onto a beam splitter. The beam splitter directs a first scanning beam onto a first detector responsive to B type defects and a second scanning beam onto a second detector responsive to point type defects. Monitoring the movement of the scanning beam and the signals from the detectors, the location of B type and point type defects in a glass ribbon are obtained.

REFERENCES:
patent: 3199401 (1965-08-01), Sleighter et al.
patent: 3202043 (1965-08-01), Galey et al.
patent: 3609380 (1971-09-01), Shaw, Jr.
patent: 3871773 (1975-03-01), Shaw, Jr.

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