High voltage V-groove solar cell

Details High voltage V-groove solar cell High voltage V-groove solar cell

1982-03-18

1983-03-15

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

357 30, H01L 3106

Patent

active

043768725

ABSTRACT:
A high voltage multijunction solar cell 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: 3150999 (1961-02-01), Rudenberg et al.
patent: 3278337 (1962-08-01), Gault
patent: 3969746 (1973-12-01), Kendall et al.
patent: 4135950 (1979-01-01), Rittner
patent: 4166919 (1979-09-01), Carlson
patent: 4200472 (1980-04-01), Chappell et al.
patent: 4283589 (1981-08-01), Kaplow et al.
patent: 4323719 (1982-04-01), Green
patent: 4330680 (1982-05-01), Goetzberger
patent: 4341918 (1982-07-01), Evans, Jr. et al.

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