TECH HUB

ENIG


Definition

  • Solderability
  • Aluminum wire bonding
  • Electric Contact Surface
  • Multiple Reflows


Benefits

  • A planar, solderable finish
  • Good shelf life – Does not tarnish
  • Precious metal electrical contact surface (1.5 million actuations)
  • Al wire bondable
  • Nickel strengthens the PTH – acts as a rivet
  • Nickel barrier prevents copper dissolution during wave solder & rework
  • EMI shield mounting surface
  • Withstands multiple heat cycles well


Limitations

  • Expensive
  • Nickel layer prone to crack from mechanical stress








About Us

Domestic PCB Fabricator

Bare printed circuit board manufacturer (NAICS: 334412)
Romulus, MI (since 1985)
(734) 941-8100

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