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