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Abstract

A solar concentrator-photovoltaic module having a matrix of miniaturized photovoltaic cells is formed by using a laser beam to form the miniaturized photovoltaic cell sites in situ. A laminated sheet is formed by a light-transmissive lens sheet having a matrix of lenses, and a substrate including a conductor layer formed onto the bottom side of the lens sheet. The laminated sheet is then irradiated using laser beams directed normal to and through each lens of the lens sheet, to perforate the substrate including the conductor layer forming cell sites. Cells can be formed in situ by applying an amorphous or multi-crystalline semi-conductor material to the cell sites from the bottom of the laminated sheet. The laminated sheet is then irradiated further with laser beams directed through each of the lenses, to thereby convert the amorphous material to a properly doped and fully crystalline photovoltaic junction. The bottom of the laminated sheet is then coated with final lower conductive and sealing layers to protect the laminated sheet from environmental effects.

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First Claim