Apparatus for directing a laser beam

Details Apparatus for directing a laser beam Apparatus for directing a laser beam

1974-10-29

1976-11-23

Corbin, John K.

350 6, 350289, 350299, G05D 2500

Patent

active

039934020

ABSTRACT:
Apparatus for directing a single laser beam to several predetermined positions on a workpiece. In a preferred embodiment of this invention, a laser beam is deflected from a plurality of rotating mirrors which sequentially intersect the laser beam thereby deflecting the beam through a lens to predetermined positions on the workpiece. By positioning each mirror so that at the point of intersection with the laser beam, its angular relation to the beam differs from the position of another mirror, the beam will be deflected to the plurality of predetermined positions. Thus, by providing apparatus in which rotating mirrors sequentially intersect a laser beam, a plurality of non-contact machining operations such as welding can be performed on the workpiece without indexing the workpiece or moving the laser equipment.

REFERENCES:
patent: 2844648 (1958-07-01), Rosenthal
patent: 3463898 (1969-08-01), Takaoka et al.
patent: 3534462 (1970-10-01), Cruickshank et al.
Reed, Bell Laboratories Record, Oct. 1971, pp. 263-269.
Murray, Western Electric Technical Digest, No. 15, July 1969, pp. 33 and 34.
Arrabito, et al., IBM Technical Disclosure Bulletin, vol. 13, No. 10, Mar. 1971, p. 3098.

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