Coating processes – Electrical product produced – Welding electrode
Patent
1985-08-12
1986-07-01
Page, Thurman K.
Coating processes
Electrical product produced
Welding electrode
118 501, 4272481, 4272551, 4272552, 427 541, B05D 306
Patent
active
045979863
ABSTRACT:
An apparatus for photochemical vapor deposition includes an outer reactor shell and a concentric inner shell which define a photochemical reaction zone. A radiation source is centrally located within the transparent inner shell, which isolates the radiation source from the vapor phase reactants present in the reaction zone. A rotating gas manifold is located within the reaction zone to uniformly distribute the vapor phase reactants within the reaction zone. Protective liquid is continually applied to the outer surface of the inner shell and spread into a thin film by wiper blades, to prevent deposition of reaction products onto the outer wall of the inner shell. The central location of the radiation source, along with the protective liquid film, make optimum usage of the reaction-inducing radiation generated by the radiation source. In addition, the rotating gas manifold promotes uniform deposition of layers of selected materials on substrates placed within the reaction zone.
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Linder Jacques F.
Peters John W.
Scapple Robert Y.
Yee Edward M.
Hughes Aircraft Company
Karambelas A. W.
Lachman Mary E.
Page Thurman K.
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