A thick film paste composition for use in forming an electrical connection in a photovoltaic device comprising a semiconductor substrate having at least one insulating {HEAD ~ layer} on {TAIL ~ a main surface} thereof, the composition comprising: 
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A thick film paste composition for use in forming an electrical connection in a photovoltaic device comprising a semiconductor substrate having at least one insulating { HEAD ~ layer } on { TAIL ~ a main surface } thereof , the composition comprising :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH