About: http://webisa.webdatacommons.org/85586010

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 etch stop layer 218 typically comprises an insulating material, such as silicon nitride, although other insulating layers may also be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com