About: http://webisa.webdatacommons.org/244062587

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	Particularly, it has been confirmed that tantalum can be subjected to anodic oxidation in the same electrolytic solution as a thin film mainly comprising aluminum, and tantalum is preferably used in the invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com