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Title: Method of making a back contacted solar cell

A back-contacted solar cell is described 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. 2 figs.
Inventors:
Issue Date:
OSTI Identifier:
131925
Assignee:
Sandia Corp., Albuquerque, NM (United States) SNL; SCA: 140501; PA: EDB-95:154589; SN: 95001489047
Patent Number(s):
US 5,468,652/A/
Application Number:
PAN: 8-289,161
Contract Number:
AC04-76DP00789
Resource Relation:
Other Information: PBD: 21 Nov 1995
Research Org:
AT&T Corporation
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; BACK CONTACT SOLAR CELLS; DESIGN; FABRICATION; CONNECTORS; LASER DRILLING

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