Optical cutting method and optical cutter

Details Optical cutting method and optical cutter Optical cutting method and optical cutter

1992-08-31

1993-07-27

Albritton, C. L.

Electric heating

Metal heating

By arc

21912172, 21912177, 21912183, B23K 2614

Patent

active

052312623

ABSTRACT:
An optical cutting method includes a step of detecting a center position on a sheet film with a position-detecting light flux; and a step of cutting out a disk film from the sheet film by projecting a cutting laser beam along circumference of a substantially circular form around the detected center position.

REFERENCES:
patent: 4777341 (1988-10-01), Steen et al.
patent: 4969722 (1990-11-01), Akeel
patent: 5043553 (1991-08-01), Corfe et al.
Patent Abstracts of Japan, vol. 13, No. 244 (M-834), Jun. 7, 1989, Abstract of Japanese Patent No. 1-053788.
Patent Abstracts of Japan, vol. 13, No. 174 (C-589), Apr. 25, 1989, Abstract of Japanese Patent No. 01-004417.
Patent Abstracts of Japan, vol. 12, No. 274 (M-725) (3121) Jul. 29, 1988, Abstract of Japanese Patent No. 63-56379.

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