About: http://webisa.webdatacommons.org/6373372

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	An etchant, such as an acid, is used to remove the metal layer protecting regions of the substrate where the resist had been removed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr