Method of making a high voltage V-groove solar cell

Details Method of making a high voltage V-groove solar cell Method of making a high voltage V-groove solar cell

1980-12-24

1982-06-22

Weisstuch, Aaron

Metal working

Method of mechanical manufacture

Assembling or joining

136249, 148 15, 357 30, H01L 3118

Patent

active

043355030

ABSTRACT:
A method is provided for making a high voltage multijunction solar cell which comprises a plurality of discrete voltage generating regions, or unit cells, which are formed in a single semiconductor wafer (10) and are connected together so that the voltages of the individual cells are additive. The unit cells comprise doped regions of opposite conductivity types (30, 32) separated by a gap. The method includes forming V-shaped grooves (16) in the wafer and thereafter orienting the wafer so that ions of one conductivity type can be implanted in one face (e.g., 16a) of the groove while the other face (e.g., 16b) is shielded. A metallization layer (22) is applied and selectively etched away to provide connections between the unit cells.

REFERENCES:
patent: 4200472 (1980-04-01), Chappell et al.

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