<http://webisa.webdatacommons.org/prov/329069919>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/131198862> .
<http://webisa.webdatacommons.org/131198862>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/131198862>	<http://www.w3.org/ns/prov#value>	"In the present invention, the substrate 12 can normally be formed of a material such as sapphire, silicon carbide (SiC), or zinc oxide (ZnO), and is most normally formed of sapphire." .
<http://webisa.webdatacommons.org/prov/330367547>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/131198862> .
<http://webisa.webdatacommons.org/131198862>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.co.uk> .