About: http://webisa.webdatacommons.org/13637404

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	The layers are formed of such metals as gold, copper, tin and tin-lead alloys, and they typically range in thickness from 0.5 to 50 microns.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com