About: http://webisa.webdatacommons.org/268906018

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In a composite material related to the invention, Au, Ag, Cu and Al with high electrical conductivity are used as metals and, particularly, Cu is the best because of its high melting point and high strength.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca