Method of removing coating film with laser beam and laser proces

Details Method of removing coating film with laser beam and laser proces Method of removing coating film with laser beam and laser proces

1998-05-05

2000-11-07

Heinrich, Samuel M.

Electric heating

Metal heating

By arc

21912181, 21912184, G21F 928

Patent

active

061440108

ABSTRACT:
A laser light is applied to the surface of an object to be processed and formed with a coating film and at least an upper portion of the coating film is removed through abrasion, by using an energy density variable optical system capable of applying the laser light to the surface of the object and varying an energy density of the laser light on the surface of the object. The coating film can be removed without using chemicals.

REFERENCES:
patent: 5196672 (1993-03-01), Matsuyama et al.
patent: 5662762 (1997-09-01), Ranalli
patent: 5986234 (1999-11-01), Matthews et al.
Head et al., "Laser Paint Stripping," NTIS report ADA 249 233, Jan. 1991, pp. iii-v and 83-89.
Lu et al., "Laser Surface Cleaning in Air: Mechanisms and Applications," Japanese Journal of Applied Physics, vol. 33 Part 1, No. 12B, Dec. 1994, pp. 7138-7143.

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