PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Accordingly, it is an object of the present invention to provide a method of making a printed circuit board which includes a u.v. solder mask coating over a substrate including a metal in which the boards are characterized by excellent adhesion between mask and metal, particularly circuit boards which meet the IPC-SM-840A Class 3 standard for adhesion.
http://www.w3.org/ns/prov#wasQuotedFrom
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