Dotted contact fine geometry solar cell

Details Dotted contact fine geometry solar cell Dotted contact fine geometry solar cell

1975-01-17

1976-09-28

Mack, John H.

Batteries: thermoelectric and photoelectric

Thermoelectric

Radiation pyrometer

H01L 3102, H01L 3104

Patent

active

039829642

ABSTRACT:
An improvement in a fine geometry solar cell having a top surface contact comprising substantially more and finer metallic fingers spaced close together for collecting photo current is disclosed. The improvement comprises a reduction in the ohmic contact area of the fine metallic fingers with the light-incident surface of the solar cell. The improved solar cell is constructed by etching a fine line pattern into the anti-reflective coating of the solar cell and then depositing a fine line electrode onto the surface of the solar cell but oriented perpendicular to the etched fine line pattern in the anti-reflective coating. Due to the 90.degree. rotation between the etched fine line pattern in the anti-reflective coating and the fine line electrode, only point contacts are made between the fine line electrode and the exposed light-incident surface of the solar cell.

REFERENCES:
patent: 3811954 (1974-05-01), Lindmayer

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