About: http://webisa.webdatacommons.org/258778164

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	Printed circuit board support structure 446 is preferably formed of a fiberglass-like printed circuit board material, (e.g., FR4 or BT resin), but other materials, such as ceramics, are also suitable.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com