Method of making series-connected, thin-film solar module formed

Details Method of making series-connected, thin-film solar module formed Method of making series-connected, thin-film solar module formed

1988-07-21

1989-11-07

Weisstuch, Aaron

Fishing, trapping, and vermin destroying

437 2, 136244, 136258, H01L 3118, H01L 2714

Patent

active

048792519

ABSTRACT:
Method for manufacturing a series-connected thin-film solar module of crystalline silicon upon which is formed an electrically conductive layer upon which is formed a p-doped polycrystalline silicon layer which is about 50 microns thick both being deposited on a large area of glass or ceramic substrate and a pn junction is formed in the p-doped polycrystalline silicon layer. Individual cells that have a width between one to two centimeters are formed by forming trenches so as to electrically insulate them from each other in the silicon layer and the trenches are filled with an insulator material. Front electrodes and electrodes for series interconnecting the individual cells are formed over the cells and into holes formed for that purpose and the method saves up to 80% of silicon material as compared to prior art methods.

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