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ECN publication
First experiences with double layer stencil printing for low cost production solar cells
Published by: Publication date:
ECN Solar Energy 1998
ECN report number: Document type:
ECN-RX--98-036 Article (scientific)
Number of pages:

Published in: Paper, presented at the 2nd World conference and exhibition on photovoltaic solar energy conversion, Vienna, 06-10 July 1998 (), , , Vol., p.-.

With a double layer stencil it is possible to print fine metal lines withan improved line definition compared to screen printing. To test the potential of stencil printing, solar cells were made on 125 min pseudo square BP substrates using an industrial process scheme. The cell characteristics were compared with screen printed cells from the BP production line. An improvement of 3% in the short circuit current Jsc was achieved by printing finer and higher lines. To obtain this result several improvements were needed in the production of the electroformed nickel stencil to make the stencils more reliable and rigid. The printing behaviour of the stencils is improved by modifying the lay-out and finish of the stencil. 8 refs.

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