Saint-gobain Vitrage

Serge Le Gravier

Daniel Dages

Maurice Dran

A panel of a plurality of electrically connected photocells wherein each photocell has a lower face, a side face and a radiation receiving face, is produced by (a) embedding at least the lower faces and side faces of the photocells and their electrical connectors in a thermoplastic resin in particulate form which resin becomes transparent upon fusion; (b) enclosing the photocells embedded in step (a) between two rigid sheets to form a sandwich-type assembly, with at least the rigid sheet enclosing the receiving faces of the photocells being optically transparent; (c) disposing the stacked assembly formed in step (b) within a flexible bag; (d) subjecting the interior of the flexible bag to a vacuum while applying relatively high pressure to the outside of the bag, and raising the temperature within the bag to fuse the thermoplastic resin particles; and (e) cooling the contents of the bag to solidify the resin and form thereby the panel comprising the photocells adhesively embedded in the solidified resin between the rigid sheets, and restoring atmospheric pressure to the interior of the bag.

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Orleans, France

Serge Le Gravier