Method of forming silicon solar energy cell having improved back

Details Method of forming silicon solar energy cell having improved back Method of forming silicon solar energy cell having improved back

1976-07-14

1977-11-08

Tupman, W.

Metal working

Method of mechanical manufacture

Assembling or joining

29576R, 29589, 29590, B01J 1700

Patent

active

040568792

ABSTRACT:
A silicon solar energy cell having a diffusant junction extending inwardly from one surface, an aluminum-silicon junction of the opposite polarity extending inwardly from the other surface, and a film of aluminum-oxygen-diffusant formed over the aluminum-silicon junction. The structure is formed by diffusing an unprotected wafer, coating the diffusant glass so formed on one side of the wafer with aluminum, and heating the wafer.

REFERENCES:
patent: 3382568 (1968-05-01), Kuiper
patent: 3576684 (1971-04-01), Mehta
patent: 3740835 (1973-06-01), Duncan
patent: 3772768 (1973-11-01), Fischer
patent: 3806363 (1974-04-01), Lehner

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