About: http://webisa.webdatacommons.org/113227804

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 insulating layers are principally of silicon oxide, but there can be other insulating materials in the layer 22.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com