| http://www.w3.org/ns/prov#value | - Circuit 140 is comprised of three layers; a first layer 146 comprises a suitable conductive material such as copper or aluminum which is deposited on substrate 138, a second layer 148 comprises nickel or equivalent which is deposited on layer 146 and a third layer 150 comprises a noble metal (e.g., gold) which is deposited on layer 148.
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