About: http://webisa.webdatacommons.org/52470547

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 non-magnetic layer 42 is made of, for example, a non-magnetic material such as alumina or the like, and has the same plane shape as the pole layer 12.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com