Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1990-06-19
1991-07-16
Lawrence, Evan
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
427106, B05D 106, B05D 506
Patent
active
050324209
ABSTRACT:
Disclosed is a method for applying a yellow incandescent bugfoiler pigment coating comprising a fine-ground blend of praseodymium doped zirconium silicate and silica. This cadmium-free blend is preferably applied electrostatically in three coats to the interior of a bulb to diffuse the light and block the emitted UV wavelengths. The color of the blend will intensify with increasing heat and return to it's initial yellow color upon cooling.
REFERENCES:
patent: 3320460 (1967-05-01), Bouchard et al.
patent: 3847639 (1974-11-01), Broll et al.
patent: 4081709 (1978-03-01), Collins et al.
patent: 4633127 (1986-12-01), Beurskens et al.
Blose Ronald G.
Lagos Costas C.
Shobert Sarah C.
Wood Charles
GTE Products Corporation
Lawrence Evan
Linek Ernest V.
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