About: http://webisa.webdatacommons.org/393704677

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 dielectric coating layer 104 (deposited by such means as evaporation or ion-beam sputtering) covers surface-relief grating 102.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca