Method of making a back contacted solar cell

Details Method of making a back contacted solar cell Method of making a back contacted solar cell

1994-08-11

1995-11-21

Weisstuch, Aaron

Fishing, trapping, and vermin destroying

136256, 437180, 437197, 437203, H01L 3118

Patent

active

054686520

ABSTRACT:
A back-contacted solar cell having laser-drilled vias connecting the front-surface carrier-collector junction to an electrode grid on the back surface. The structure may also include a rear surface carrier-collector junction connected to the same grid. The substrate is connected to a second grid which is interdigitated with the first. Both grids are configured for easy series connection with neighboring cells. Several processes are disclosed to produce the cell.

REFERENCES:
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patent: 3903428 (1975-09-01), DeJong
patent: 4227942 (1980-10-01), Hall
patent: 4427839 (1984-01-01), Hall
patent: 4626613 (1986-12-01), Wenham et al.
patent: 4838952 (1989-06-01), Dill et al.
J. M. Gee et al, "Emitter Wrap-Through Solar Cell," 23rd IEEE Photovoltaic Specialists Conference, Louisville Ky. (May/1993), pp. 265-270.
T. Warabisako, et al., "A 16.87% Efficient 100 cm.sup.2 Polycrystalline Silicon Solar Cell with Triode Structure," 12-16 Oct. 1992 (Oral Presentation), pp. 172-175, Montreaux, Switzerland.

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