Surface shaping and finishing apparatus and method

Details Surface shaping and finishing apparatus and method Surface shaping and finishing apparatus and method

1989-05-15

1991-11-12

Albritton, C.

Electric heating

Metal heating

By arc

21912115, 21912120, 21912121, B23K 1500

Patent

active

050649892

ABSTRACT:
A method for selectively operating on a substrate by radiation controlled and caused to scan a portion of the surface of an article in such a manner as to selectively produce changes in material at the substrate surface. Miniature explosions of small quantities of material, such as particles thereof, may be employed to erode or otherwise remove material from the surface of the substrate. The method may be carried out in a closed chamber having a controlled atmosphere or pumped free of air to effect control of an erosion process. In a specific embodiment, a narrow beam of collimated radiation effects a scanning movement across the substrate while synchronously controlling the operation of a beam generating mechanism to cause the narrow beam to selectively irradiate a select portion of the substrate surface producing a select physical change in select material of the substrate.

REFERENCES:
patent: 2746420 (1956-05-01), Steigerwald
patent: 3046936 (1962-07-01), Simons, Jr.
patent: 3056881 (1962-10-01), Schwarz
patent: 3140379 (1964-07-01), Schleich et al.
patent: 3246079 (1966-04-01), Teucher
patent: 3270118 (1966-08-01), Gaydou
patent: 3276902 (1966-10-01), Abraham
patent: 3293587 (1966-12-01), Robinson
patent: 3303319 (1967-02-01), Steigerwald
patent: 3360398 (1967-12-01), Garibotti
patent: 3364087 (1968-01-01), Solomon et al.
patent: 3417223 (1968-12-01), Steigerwald

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