About: http://webisa.webdatacommons.org/167092421

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 etching step removes undesired areas of the deposited layer, leaving behind circuit elements, such as wires, resistors and transistors. [0003] Highly integrated circuits require small circuit elements.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr