About: http://webisa.webdatacommons.org/411317520

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 barrier metal is provided not only in a single layer, but in a stack of different types of layers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com