Method and device for coating a carrier for thin-film solar...

Details Method and device for coating a carrier for thin-film solar... Method and device for coating a carrier for thin-film solar...

H - Electricity

01

L

H01L 31/18 (2006.01) H01L 21/368 (2006.01)

Patent

CA 2703250

A system (11) is designed to coat a film-like, long carrier (18) for thin-film solar cells on the absorber layer thereof with cadmium sulfide. To this end, the carrier (18) is continuously guided through a solution (23) made of cadmium acetate, ammonia and thiourea or is immersed into a bath (22) with said solution (23). By using a wide, very long and flat tub (24) containing the solution (23), the required amount for the coating is minimized, such that the consumption of solution (23) is low.

Cette installation (11) est conçue pour revêtir de sulfure de cadmium, sur sa couche d'absorbeur, un support long du genre feuille (18) pour des cellules solaires à couches minces. À cet effet, le support (18) est dirigé en continu à travers une solution (23) d'acétate de cadmium, d'ammoniac et de thio-urée, ou immergé dans un bain (22) formé de la solution (23). Grâce à une cuve (24) plate, large et très longue, pour la solution (23), la quantité nécessaire pour le revêtement reste fiable, de sorte que la consommation de solution (23) est faible.

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