Method of making a back contacted solar cell
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United States of America Patent
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-
Nov 21, 1995
Issued Date -
N/A
app pub date -
Aug 11, 1994
filing date -
Jul 14, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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