Method for forming the separating lines of a photovoltaic module with series-connected cells
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United States of America Patent
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May 29, 2012
Issued Date -
N/A
app pub date -
Mar 12, 2009
filing date -
Mar 13, 2008
priority date (Note) -
Expired
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Abstract
For forming the separating lines, (5, 6, 7) which are produced in the functional layers (2, 3, 4) deposited on a transparent substrate (1) during manufacture of a photo-voltaic module with series-connected cells (C1, C2, . . . ), at least one laser scanner (8) is used whose laser beam (14) produces in the field (17) scanned thereby a plurality of separating line sections (18, 18′) disposed side by side in the functional layer (2, 3, 4). The laser scanner (8) is moved relative to the coated substrate (1) in the direction (Y) of the separating lines (5, 6, 7), thereby giving rise to an overlap (36) of adjacent fields (17, 17′). At the same time, the laser scanner (8) produces separating line sections (18, 18′) which are of hook-shaped configuration at least at one end (32) so as to form a catching area in which the ends (31, 32) of the separating line sections (18, 18′) of adjacent fields (17, 17′) overlap.
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