Beam apparatus and method

Details Beam apparatus and method Beam apparatus and method

1986-10-21

1989-08-01

Walberg, Teresa J.

Electric heating

Metal heating

By arc

21912115, H01J 37317, H05B 710

Patent

active

048535141

ABSTRACT:
Apparatus and method employ beamed radiation to perform controlled deposition of matter onto a substrate. The apparatus generates an intense electron beam or a laser beam directed through a reaction chamber against the surface of a workpiece supported within such chamber while matter in the form of a solid rod, solid particles or molecules of a gas or vapor is controllably fed into the beam. The beam melts solid material in rod or wire form to produce fine droplets or vapor directed along the beam to the surface of the workpiece intersected by the beam and deposited thereon. Alternatively, the radiation of the beam may intersect a gaseous or vaporous form of the matter to be deposited. The beam effects both the heating of the workpiece and the deposition of the matter or a portion thereof onto a select portion of the workpiece surface intersected by the beam. A master controller or computer controls a relative scanning movement between the beam and the workpiece to coat or deposit material on a select area or areas of the work.

REFERENCES:
patent: 3087211 (1963-04-01), Howe
patent: 3165619 (1965-01-01), Cohen
patent: 3303319 (1967-02-01), Steigerwald
patent: 3330696 (1967-07-01), Ullery
patent: 3515932 (1970-06-01), King

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