Method for selectively curing a film on a substrate

Details Method for selectively curing a film on a substrate Method for selectively curing a film on a substrate

1990-03-23

1991-09-10

Walberg, Teresa J.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

427 55, F27B 514, F27D 1102

Patent

active

050476114

ABSTRACT:
A method for rapidly curing a film on a substrate by selective heating, causing it to cure from the inside out. This is accomplished by illuminating the sample with a light source having a peak wavelength which will be primarily absorbed by the underlying substrate and is transparent to the overlying film. Thus the substrate will be selectively heated first by direct absorption of the radiation, and the film to be cured will in turn be heated by conduction from the substrate. In this way, the film will be cured from the interior interface to the surface, or from the inside-out.

REFERENCES:
patent: 2824943 (1958-02-01), Laughlin
patent: 3249741 (1966-05-01), Mills
patent: 4575616 (1986-03-01), Bergendal
patent: 4665306 (1987-05-01), Roland et al.
patent: 4680450 (1987-07-01), Thorson
patent: 4755654 (1988-07-01), Crowley
patent: 4820906 (1989-04-01), Stultz

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