Method of making a cross-grooved solar cell

Details Method of making a cross-grooved solar cell Method of making a cross-grooved solar cell

1985-11-13

1986-11-04

Weisstuch, Aaron

Metal working

Method of mechanical manufacture

Assembling or joining

29580, 156647, H01L 3118

Patent

active

046203648

ABSTRACT:
A solar cell of improved conversion efficiency and a process of making it are disclosed. The solar cell is designed to trap incident light within the cell by multiple internal reflections and thus increases the absorption of light in the cell. The solar cell is formed with a plurality of spaced parallel grooves on both the front and the back surfaces. The direction of the grooves on the front surface is at an angle with respect to the direction of the grooves on the back surface.

REFERENCES:
patent: 3487223 (1969-12-01), St. John
patent: 4029962 (1977-06-01), Chapman
patent: 4348254 (1982-09-01), Lindmayer
C. R. Baraona et al., Conference Record, 11th IEEE Photovoltaic Specialists Conf. (1975), pp. 44-48.
D. Redfield, "Multiple-Pass Thin-Film Solar Cell," Applied Physics Letters, vol. 25, No. 11 (Dec. 1, 1984) pp. 647-648.
M. Spitzer et al., "Ultra High Efficiency Thin Silicon P-N Junction Solar Cell Using Reflecting Surfaces," 1980 IEEE, pp. 375-380.

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