PALLUNA® ACF-200 Palladium-Nickel Electrolyte

PALLUNA® ACF-200 Palladium-Nickel Electrolyte

PALLUNA® ACF-200 is operated without ammonia, thus avoiding offensive smells caused by pungent ammonia gases. Since no chloride is used in the electrolyte, the lifetime of the anodes is considerably longer and equipment corrosion is strongly reduced. By means of continuous active carbon purification, interfering organic decomposition products can be effectively removed from the electrolyte.

Depending on the operating conditions, the electrolyte deposits alloy coatings containing approx. 80 % of palladium. The palladium-nickel layers are hard, resistant to wear and corrosion, they are characterized by good ductility and low internal stress. In combination with flash gold, bondabilities comparable to those of soft gold surfaces can be reached.

PALLUNA® ACF-200 has the cost advantage on its side: With contact properties similar to those of hard gold, palladiumnickel is the clearly less expensive alternative.

Electrolyte characteristics

Electrolyte type

Free from ammonia and chloride

Metal content

8 g/l Pd
7 g/l Ni

pH value

5.2

Operating temperature

62 °C

Current density range

Up to 4 A/dm²

Plating speed

0.39 μm/min at 2 A/dm²

Anode material

MMO (type PLATINODE® 187 SO)

Coating characteristics

Coating

Palladium-Nickel

Alloy composition

80 wt.% Pd
20 wt.% Ni

Colour of deposit

White

Brightness

Bright

Hardness

530 HV

Density of the coating

10.8 g/cm³

Solderability

Good

Elongation

Approx. 5 %

Bendability

2 μm crack-free

Advantages

  • Palladium-nickel electrolyte free from ammonium and chloride for printed circuit board applications
  • No offensive smell caused by ammonia gas
  • Longer lifetime of anodes
  • Reduced equipment corrosion
  • Ductile and crack-free coatings
  • Excellent abrasion resistance
  • Constant alloy composition of the coatings
  • Solder- and bondability, especially with goldflash

Applications

  • Printed circuit boards
  • Contacts on plug-in cards
  • Smartcards
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Questions about the product?

Markus Legeler

+49 7171 607 204

For inquiries and additional information
please contact

Umicore AG & Co. KG
Rodenbacher Chaussee 4
63457 Hanau-Wolfgang
Germany

Tel.: +49 (6181) 59 6005
Fax: +49 (6181) 59 2970
Email: chemistry@umicore.com
Website: www.chemistry.umicore.com

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