About: http://webisa.webdatacommons.org/135340446

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 mask has openings therein and is used to selectively expose the substrate and more particularly the layer of photoresist to the UV light.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com