About: http://webisa.webdatacommons.org/83253407

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	Further, a protective film such as MgF2 and SiO2 is evaporated and formed on the reflection layer 5, thereby preventing the deterioration of the reflection film 5.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com