Solar cell with improved electrical contacts

Details Solar cell with improved electrical contacts Solar cell with improved electrical contacts

1986-11-04

1987-10-06

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136262, H01L 3106

Patent

active

046984550

ABSTRACT:
A gallium arsenide solar cell is disclosed which employs a front aluminum gallium arsenide window layer. Metallic grid lines for charge carrier collection traverse the window layer and extend through this layer to the emitter layer. A flat conductive bar on the window layer crosses and makes electrical contact with the metallic grid lines. A flat metallic strip located on the window layer near an edge is spaced from the grid lines and conductive bar but is electrically coupled to the conductive bar by metallic bridges. Since the metallic strip is not in contact with the grid lines, external electrical connections can be affixed to the flat metallic strip using high temperature welding or soldering techniques without damage to the semiconductor body.

REFERENCES:
patent: 3527619 (1970-09-01), Miley
patent: 3982964 (1976-09-01), Lindmayer et al.
patent: 4252573 (1981-02-01), Boer et al.
patent: 4336648 (1982-06-01), Pschunder et al.
patent: 4395583 (1983-07-01), Meulenberg, Jr.
patent: 4416052 (1983-11-01), Stern
patent: 4540843 (1985-09-01), Gochermann et al.
patent: 4564720 (1986-01-01), Hogan
patent: 4652693 (1987-03-01), Bar-on

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