Coating processes – Electrical product produced – Photoelectric
Patent
1978-03-15
1980-12-16
Beck, Shrive P.
Coating processes
Electrical product produced
Photoelectric
136260, 427110, 427421, 427427, B05D 512
Patent
active
042398096
ABSTRACT:
Methods and apparatus are provided for forming films of materials which are component layers of solar energy conversion devices, e. g. photovoltaic cells and heat collector panels. A selected substrate is heated while being sprayed with solutions which react on the heated surface to form a particular film. Films of SnO.sub.x and CdS are particularly produced. According to the present invention, the spray is projected at an angle to control upstream flow and confine film formation to the substrate panel portions most suitable for forming the selected film. Various waste products are removed to minimize defects in the resulting film. Baffles are located to shield the substrate surface at selected areas and preclude the spray from impacting on the shielded areas.
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Lampkin Curtis M.
Nikodem Robert B.
Roderick Guy A.
Beck Shrive P.
Photon Power, Inc.
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