About: http://webisa.webdatacommons.org/435056475

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	Non-linear materials and ferroelectrics other than LiNbO3 may be used in some aspects of the invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com