Crystallographically textured metal substrate, crystallographically textured device, cell and photovoltaic module including such device and thin layer deposition method
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United States of America Patent
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Apr 12, 2016
Grant Date -
Oct 28, 2010
app pub date -
Aug 28, 2008
filing date -
Aug 31, 2007
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Abstract
A crystallographically textured metallic substrate includes surfaces for connection and for receiving a thin layer deposit, and is made up of an alloy presenting a cubic crystalline system with centered faces and a predominantly cubic crystallographic texture {100}<001>, the receiving surface including grains mainly presenting crystallographic planes {100} parallel to the receiving surface. The alloy is iron-nickel with weight % relative to total weight: Ni≧30%, Cu≦15%, Cr≦15%, Co≦12%, Mn≦5%, S<0.0007%, P<0.003%, B<0.0005%, Pb<0.0001%, and in the alloy: 34%≦(Ni+Cr+Cu/2+Co/2+Mn). The alloy includes up to 1% in weight of one or several deoxidizing elements chosen among silicon, magnesium, aluminium and calcium, the rest of the elements in the alloy being iron and impurities.
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