PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, the disadvantage to dry etching is the formation of post-etch residue (PER), which is a difficult to remove by-product of the reaction between the plasma, the substrate surface, and other material present such as the photoresist.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com