Scavenger hood for laser

Details Scavenger hood for laser Scavenger hood for laser

1977-09-09

1979-04-10

Truhe, J. V.

Electric heating

Metal heating

By arc

B23K 900

Patent

active

041490622

ABSTRACT:
Laser beam scribing apparatus having a nozzle assembly in which a partition defines a travel path for the laser beam and separates the travel path from a surrounding suction chamber. The suction chamber terminates in a suction aperture coplanar with and surrounding the laser beam exit aperture. In operation, application of a vacuum source to the suction chamber causes foreign particles to enter solely into the suction chamber thereby preventing such particles interfering with the focus or intensity of the laser beam.

REFERENCES:
patent: 3626141 (1971-12-01), Daly
patent: 3866398 (1975-02-01), Vernon et al.

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