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Proceedings Paper

CIGS P3 scribes using ultra-short laser pulses and thermal annealing
Author(s): Gabor Matthäus; Klaus Bergner; Mawuli A. Ametowobla; Andreas Letsch; Andreas Tünnermann; Stefan Nolte
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Paper Abstract

Thin-film photovoltaic panels consist of individual solar cells which are monolithically interconnected in series. Today, these connections are commonly realized by mechanical methods. In order to increase the solar output, it is one approach to minimize the interconnection area (so called “dead area”). In this regard, recent advances in laser patterning are gaining increasing potential. However, especially high-impedance trenches realized via laser scribing generally suffer from insufficient shunt resistances. This is especially the case for the third structuring stage P3 of CIGS solar modules, which represents the isolation of nearby cells.

Paper Details

Date Published: 14 March 2016
PDF: 7 pages
Proc. SPIE 9735, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXI, 973502 (14 March 2016); doi: 10.1117/12.2206210
Show Author Affiliations
Gabor Matthäus, Friedrich-Schiller-Univ. Jena (Germany)
Klaus Bergner, Friedrich-Schiller-Univ. Jena (Germany)
Mawuli A. Ametowobla, Robert Bosch GmbH (Germany)
Andreas Letsch, Robert Bosch GmbH (Germany)
Andreas Tünnermann, Friedrich-Schiller-Univ. Jena (Germany)
Stefan Nolte, Friedrich-Schiller-Univ. Jena (Germany)

Published in SPIE Proceedings Vol. 9735:
Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXI
Beat Neuenschwander; Stephan Roth; Costas P. Grigoropoulos; Tetsuya Makimura, Editor(s)

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