About: http://webisa.webdatacommons.org/220179685

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	Protective layer 30 may act as a diffusion barrier that may be made from materials such as titanium (Ti), chromium (Cr), silicon (Si), thorium (Th), cerium (Ce), alloys thereof, combination thereof, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com