About: http://webisa.webdatacommons.org/335596259

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 substrates are commercially available from The Bergquist Company in Minneapolis, MN. The metal base layer 712 can be copper, aluminum, invar, or other metals and the dielectric layer 710 is preferably ceramic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com