Method and apparatus for monitoring laser processes

Details Method and apparatus for monitoring laser processes Method and apparatus for monitoring laser processes

1985-11-26

1987-05-05

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LC, B23K 2600

Patent

active

046635130

ABSTRACT:
A method and apparatus for monitoring and verifying laser processes detects infrared radiation along a laser process path at a point apart from and behind the point where the laser processing is actually occuring at a particular time. A window value of temperatures (proportional to detected infrared radiation) is determined and utilized to monitor the process. If the temperature profile corresponding to the detected infrared radiation is not within the window value a signal is generated which can trigger a different number of events.

REFERENCES:
patent: 3848101 (1974-11-01), Locke
patent: 3952180 (1976-04-01), Gnanamuth
patent: 4121087 (1978-10-01), Malmuth et al.
patent: 4151014 (1979-04-01), Charschan
patent: 4250372 (1981-02-01), Tani
patent: 4304981 (1981-12-01), Gappa
patent: 4316467 (1982-02-01), Muckerheide
patent: 4564012 (1986-01-01), Shimada et al.

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