About: http://webisa.webdatacommons.org/438321975

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	In the preferred embodiment, the beveled surfaces 35a-35d of wave guides 34a-34d are treated with a reflective coating, such as aluminum, to enhance reflectiveness of the surface and increase signal responsiveness.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com