About: http://webisa.webdatacommons.org/51967675

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 and lower substrates 20, 24 are non-conductive, and may be formed of a material such as polyester or polyimide with a thickness of about 0.1 mm.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com