Method and apparatus for laser scribing grooves on hard crystals

Details Method and apparatus for laser scribing grooves on hard crystals Method and apparatus for laser scribing grooves on hard crystals

1997-08-29

1999-08-24

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

21912169, B23K 2600

Patent

active

059421371

ABSTRACT:
Apparatus for positioning, holding and surface processing a small dimensioned hard crystal is provided. The apparatus includes a position location jig for positioning the crystal in an x-y plane, vacuum pump apparatus for generating a vacuum to grip the crystal in the x-y plane, copper vapor laser apparatus for surface processing, including scribing or drilling the hard crystals and projection microscope apparatus mounted on the laser for accurate location of the processing area.

REFERENCES:
patent: 4141456 (1979-02-01), Hart
patent: 4869768 (1989-09-01), Zola
patent: 5059764 (1991-10-01), Baer
patent: 5221989 (1993-06-01), Stappaerts et al.
patent: 5310990 (1994-05-01), Russell et al.
patent: 5611946 (1997-03-01), Leong et al.
patent: 5744780 (1998-04-01), Chang et al.

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