Laser removal of poor thermally-conductive materials

Details Laser removal of poor thermally-conductive materials Laser removal of poor thermally-conductive materials

1990-06-27

1991-12-24

Pal, Asok

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134 38, 21912185, B08B 700

Patent

active

RE0337773

ABSTRACT:
A method of removing material of poor thermal conductivity such as paint, grease, ceramics, and the like from a substrate by ablation without damage to the substrate by delivering to the material to be removed pulses or their equivalent of a laser beam having a wavelength at which the material to be removed is opaque and a fluence sufficient to ablate or decompose the material without damaging or adversely affecting the substrate or its surface.

REFERENCES:
patent: 3503804 (1970-03-01), Schneider
patent: 4063063 (1977-12-01), Funck et al.
patent: 4368080 (1983-01-01), Langen et al.
Aviation Week and Space Tech. (Jan. 29, 1979), p. 55.
Lowndes, "Metallic Composites Coating Yields Gains", Aviation Week and Space Tech. (Nov. 24, 1980), p. 58.
Hawkins et al., "Laser Removal of Polymer Coating", IBM Tech. Discl. Bull., vol. 12, No. 6, Nov. 1969, p. 735.
Aviation Week and Space Tech., "Protection Against High-Energy Laser Found" (Jun. 16, 1980), p. 232.
Electronics, "Lasers Strip Wire Insulation", vol. 49, No. 19 (Sep. 16, 1976), pp. 50, 52.

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