About: http://webisa.webdatacommons.org/211874304

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 underlying principle of those filters is a dielectric membrane suspended over a substrate, such as a silicon wafer, with a printed circuit of the filter elements lying on top of the membrane.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com