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PCB Final Finishes Resource Center

Here you will find information on the leading surface finishes available for your bare printed circuit board.

Circuit Board Surfaces Analysis

The Final Finishes Resource Center addresses concerns throughout the PCB supply chain by providing technical research and information pertaining primarily to:

  • Fabrication
  • Design
  • Assembly


Criteria for Selecting a Final Finish 

According to Mike Carano (from his IPC Blog) selecting a PCB final finish is vital to the end product; therefore, there is much more to consider than merely aesthetics and cost. With so many final finish options available, how do the PCB fabricator, designer and assembler reconcile the best option to insure long term solder joint reliability under lead-free soldering conditions? What finish or finishes are best suited for fine pitch BGA as well as through-hole assembly?
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9 things to consider when selecting a final finish

  1. What is the ultimate reliability requirement for the PCB? Atmosphere, environment, etc.
  2. How many assembly cycles will the board (and surface finish) be subjected to?
  3. Is ICT important for the finish?
  4. Are cosmetics a key attribute?
  5. Does the PCB eventually require wirebonding?
  6. Product life of the circuit board?
  7. Equipment considerations for final finish processing
  8. Is shock / drop testing a concern?
  9. Overall cost of the finish in comparison with the total board cost and required functionality