Improved adhesion between nickel and resin (roughened nickel plating, CT-5A)

Features

  • Roughening the nickel plating crystals provides an anchor effect with the resin.
  • Adhesion is further improved by treating the roughened Ni plating with an anti-oxidation agent (CT-5A).
Figure. Cross-sectional image

Improved adhesion between Ni and resin

Figure. Adhesion strength measurement results (Epoxy resin)
Figure. Surface SEM image of roughened Ni plating

Main applications

  • Heat sinks for power devices
  • Lead frame

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