About: http://webisa.webdatacommons.org/427270015

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	In a preferred embodiment, the base body is modified by a fused salt process to a thickness of the outer zone of about 2???14 ??m, preferably more than 5 ??m and less than 12 ??m, and in particular 8???10 ??m.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com