About: http://webisa.webdatacommons.org/409831207

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 barrier layer 300 is provided so as to prevent impurities such as alkali metal and alkaline earth metal from entering the single crystal semiconductor layer 104.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com