About: http://webisa.webdatacommons.org/140497058

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 either case, the elemental semiconductor thin layer may be selected from the group including silicon and germanium while the interference coating is preferably selected from the group including silicon dioxide and silicon nitride.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk