About: http://webisa.webdatacommons.org/271911468

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 or reticle is a piece of quartz on which the master pattern has been etched in an opaque material, such as chromium or other suitable material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com