About: http://webisa.webdatacommons.org/405561292

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 piezoelectric substrate 12, which is made of a piezoelectric material such as piezoelectric ceramics, for example, is polarized
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com