About: http://webisa.webdatacommons.org/32619683

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	We have found that an alloy of titanium and tungsten (TiW) serves this purpose well, although there may be many other materials or combination which are able to function at least adequately as a masking layer, such as Cr or Al.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com