About: http://webisa.webdatacommons.org/246136269

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 previous discussion has implicitly assumed that printed circuit boards, silicon wafers, or other substrates have only one layer.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com