About: http://webisa.webdatacommons.org/277355681

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	One type of spectral filter that has been used in the past by the assignee of the present invention is a window made from fused silica.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com