About: http://webisa.webdatacommons.org/178490391

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 spacer layer 1311 may be any odd integral multiple of the wavelength (i.e. ??(1+n)/4 where n is an integer) that is thick enough to account for non-uniformities that may occur in various layers of the epitaxial structure 1300.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com