About: http://webisa.webdatacommons.org/109064032

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	A mask is a barrier that selectively permits the passage of irradiation to designated regions of a target photoresist.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk