About: http://webisa.webdatacommons.org/431019977

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	But it is reported that in some instances this defect still occurs.Etch masks can be made from various materials including plastics, ink, photoresists or a metal such as gold, solder, or a nickel-tin alloy.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com