Method of fabricating a photovoltaic device having a three-dimen

Fishing – trapping – and vermin destroying

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437 51, 437 65, 437205, H01L 3118, H01L 31042

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active

055389023

ABSTRACT:
A method of fabricating a three-dimensionally shaped photovoltaic device involves first forming a photovoltaic element on a flexible substrate, preferably while it is flat, and then deforming the substrate to achieve the three-dimensional shape. Preferably a crystalline photovoltaic conversion layer is first formed on the flat substrate, then the layer is cut or divided while leaving the substrate uncut to form a plurality of separate adjacent photovoltaic elements on the substrate, and finally the substrate is deformed into the three-dimensional shape. The cutting can be carried out by laser irradiation. The deforming can be carried out by providing a shape memory member as the substrate, or bonding a shape memory member onto the substrate, and then restoring the shape memory member to its previously memorized three-dimensional shape. The adjacent photovoltaic elements can be electrically interconnected in series with each other by applying bond wires or an insulating film and then a conducting film in the cut regions between adjacent photovoltaic elements.

REFERENCES:
patent: 4605813 (1986-08-01), Takeuchi et al.
patent: 4636579 (1987-01-01), Hanak et al.
patent: 4882239 (1989-11-01), Grimmer et al.

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