About: http://webisa.webdatacommons.org/447489143

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	Such an opaque cathode is fabricated from the materials described herein and having a thickness ranging for example from about 50 nm to about 2 mm.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com