About: http://webisa.webdatacommons.org/328538632

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	To this end, this layer is a common material used in light emitting diodes for the active layer between the cladding layers of the LED. However, in the second etch, the etchant is chosen so that it will not etch the quaternary material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com