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IPC Standards
IPC-SM-840D

Qualification and Performance Specification of Permanent Solder Mask

This specification shall define the criteria for and method of obtaining the maximum information about and confidence in cured permanent solder mask material under evaluation with the minimum of test redundancy. This specification shall establish the requirements for:
  • The evaluation of solder mask materials.
  • The conformance of solder mask material properties.
  • The qualification of the solder mask via the appropriate test substrate.
  • The qualification assessment of the solder mask in conjunction with the production printed board process.