Laser chem-milling method, apparatus and structure resulting the

Details Laser chem-milling method, apparatus and structure resulting the Laser chem-milling method, apparatus and structure resulting the

1977-10-27

1981-04-14

Rubinson, Gene Z.

Electric heating

Metal heating

By arc

219121FS, 219121LP, 219121LK, 156643, 346 76L, B23K 900

Patent

active

042621860

ABSTRACT:
The materials to be chem-milled are coated with a maskant material, a template having a specific hole pattern is then placed over the masked surface of the material. A laser beam is then directed towards the template and is scanned either manually or by numerical control means along the hole pattern. The laser is maintained at each hole for a sufficient length of time to enable the maskant to be burned from the material. The material is then chem-milled by any conventional means thereby forming holes through the material at the maskant free areas. The remaining maskant is then removed from the surface of the material.

REFERENCES:
patent: 3314073 (1967-04-01), Becker
patent: 3549733 (1970-12-01), Caddell
patent: 3632205 (1972-01-01), Marcy
patent: 3736402 (1973-05-01), Mefferd et al.
patent: 3742182 (1973-06-01), Saunders
patent: 3770529 (1973-11-01), Anderson
patent: 4092442 (1978-05-01), Agnihotri et al.
patent: 4117301 (1978-09-01), Goel et al.

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