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Electroless Nickel or Immersion Gold (99.9 percent Gold)

　　▪　Usual thickness is 0.08 µm or 0.000003 inch to 0.2 µm or 0.000008 inch gold over 0.5 µm or 0.0002 inch nickel

　　▪　Superior resistance from corrosion

　　▪　Adequate for aluminum wire bonding

　　▪　Very Good for the use of fine pitch technology

　　▪　Superior ability for soldering

　　▪　Very good shelf life

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