About: http://webisa.webdatacommons.org/147667689

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 high-refractive-index epilayer 51 made of a material such as GaAs is formed on the top surface of a low-refractive-index base substrate 50 made of a material such as Gax Al1-x As to form a substrate 53.
http://www.w3.org/ns/prov#wasQuotedFrom	patentsmania.com