About: http://webisa.webdatacommons.org/147668756

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 upper electrode 41 is made of aluminum or the like, and the shielding member 42 is made of insulator such as alumina.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com