About: http://webisa.webdatacommons.org/111803380

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	As layers other than the magnetic layer, exemplified are, in terms of functions, an undercoat layer, a protection layer, a lubrication layer, an undulation control layer, and the like, which are formed when necessary.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com