Alternate Finishing, Inc. Offers ENEPIG

ENEPIG stands for Electroless Nickel, Electroless Palladium, and Immersion Gold.

This ROHS compliant final finish has:

• Very good solderability
• Good for gold wire bonding
• Good for aluminum wire bonding
• Low contact resistance
• Good for conductive adhesives
• Long shelf life won’t tarnish

This finish typically is a first layer of 120-240 uin of Electroless nickel followed by 2-4 uin of Electroless Palladium with a final layer of 1 uin minimum of Immersion Gold.

Here are some links to articles about this up and coming process

Solder Joint Reliability of Gold Surface Finishes - Uyemura

A Final Finish That's Time has Come - Circuit Tree

Why Electroless Nickel Electroless Palladium Immersion Gold - Rohm and Haas

 

Electroless Nickel and Immerison Gold (ENIG) page has more information on the capability of the equipment.

For more information on any of our services, please feel free to contact us.