Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1987-07-07
1990-09-04
Bell, Janyce
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
219273, 219275, 427 541, 427 80, 427 81, 427127, 4272481, 4272556, 427421, B05D 306, C23C 1600
Patent
active
049543717
ABSTRACT:
A method for continuously supplying a uniform vapor of a polymerizable and/or cross-linkable material. A continuous liquid flow of said material is supplied at a temperature below both the decomposition temperature and the polymerization temperature of said material and atomized into a continuous flow of liquid droplets having a particle size from about 1 to about 50 microns. The droplets are continuously vaporized upon contact with a heated surface which is maintained at a temperature at or above the boiling point for said material, but below the temperature at which said droplets would undergo pyrolysis before vaporizing. The vapor may be deposited onto a substrate and subsequently polymerized or cross-linked.
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Bell Janyce
Spectrum Control Inc.
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