Gold, nickel and selective gold plating are applied in the automotive industry to such end products as airbags, sensors and horns. Gold is valued for its corrosion resistance, conductivity and solderability. Nickel's advantages include corrosion resistance and wear resistance.

Selective Plating on Ignitors
Selective Plating on Sensor Electrode Pins of Automotive Airbags
Unique Plating Technology Specifications
Substrate
Steel
Metallization
Ni, Au
Thickness
Ni (2 - 4μm)
Au (0.7 - 0.76μm)
Technical Challenges
Reduced Usage of Au and Cost
Uniform Au Plating
Hydrochloric Acid, Potassium Permanganate Recycling
and Reuse Technologies
Fully Automatic, compact and Easy Handling
Selective Au Plating Machines

Selective Plating for Airbag Ignitor