Flash compression process for making photovoltaic cells

Details Flash compression process for making photovoltaic cells Flash compression process for making photovoltaic cells

1985-06-07

1986-07-29

Weisstoch, Aaron

Metal working

Method of mechanical manufacture

Assembling or joining

29572, 29582, 29584, 29585, 136258, 148183, 148184, 148191, 264 27, 264 61, 264104, 264332, 427 74, 427 86, 357 2, 357 30, 357 59, H01L 3118, H01L 21302

Patent

active

046024220

ABSTRACT:
A flash compression process for the manufacture of photovoltaic cells wherein a powder of photovoltaic material is compressed under high pressure between upper and lower compression members and is simultaneously melted in place by means of an electric discharge supplied through the compression members. The photovoltaic material is subjected to a controlled solidification process by which impurities are confined to one side of the photovoltaic cell. The photovoltaic cell may be formed directly on a substrate and may be surface doped during the formation process.

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patent: 4323419 (1982-04-01), Wakefield
A. Sanjurjo, Silicon Sheet for Solar Cells, J. Electrochem. Soc.: vol. 128, Oct. 1981, pp. 2244-2247.

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