Process for manufacturing a solar cell device

Details Process for manufacturing a solar cell device Process for manufacturing a solar cell device

1987-12-31

1988-09-27

Weisstuch, Aaron

Fishing, trapping, and vermin destroying

437228, 437974, 148DIG135, 136262, H01L 3118

Patent

active

047741945

ABSTRACT:
A process for manufacturing a solar cell device, including the steps of (1) forming, on a semiconductor substrate, a removable layer having a crystal lattice structure identical or similar to that of the substrate; (2) forming, on the removable layer, a solar cell structure having a crystal lattice structure identical or similar to that of the removable layer; (3) forming, on the solar cell structure, a reinforcement layer having a sufficient mechanical strength to support solar cell structure, the removal layer being formed of a material whose rate of etching is higher than that of the solar cell structure and the reinforcement layer; (4) and removing the removable layer by etching, to separate the solar cell structure supported by the reinforcement layer from the substrate, so that the surface of the solar cell structure for receiving incident light is exposed.

REFERENCES:
patent: 4692559 (1987-09-01), Ellion et al.
patent: 4727047 (1988-02-01), Bozler et al.
NASA Tech Briefs, Summer 1980, p. 135.
S. Matsuda et al, Conference Record, 17th IEEE Photovoltaic Specialists Conf. (1984), pp. 97-102.
Fan et al., "GaAs Cleft Solar Cells for Space Applications", 17th IEEE Photovoltaic Specialists Conference, pp. 31-35 (1984).
Nagai et al., "High Efficiency GaAs Thin Film Solar Cells by Peeled Film Technology", J. of Crystal Growth, 45:277-280 (1978).

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