Laser beam machine based on optically scanning system

Details Laser beam machine based on optically scanning system Laser beam machine based on optically scanning system

1997-11-28

1999-04-27

Mills, Gregory L.

Electric heating

Metal heating

By arc

2191216, B23K 2610

Patent

active

058978003

ABSTRACT:
A beam confinement subsystem for an optical scanning system of a laser beam machine having a laser beam transfer path includes an expandable light path sealing and protecting member surrounding a portion of the laser beam transfer path, and a pressure adjusting buffer directly coupled to the expandable light path sealing and protecting member. Preferably, the pressure adjusting buffer including an expandable, airtight thin-film material. Additionally, the beam confinement can include a pressurized purge gas supply tank directly connected to the expandable light path sealing and protecting member to thereby provide greater protection from contamination to the laser beam transfer path.

REFERENCES:
patent: 3615846 (1971-10-01), Plank
patent: 4052852 (1977-10-01), Hart
patent: 4600114 (1986-07-01), Dabich
patent: 4669465 (1987-06-01), Moore et al.
patent: 4727237 (1988-02-01), Schantz
patent: 4880213 (1989-11-01), Shinbori et al.
patent: 5260123 (1993-11-01), Hergenrother et al.

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