IAg

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IAg or Immersion Silver Plating is a surface plating technology used for Printed Circuit Boards.

Contents 1 Description 1.1 Advantages of IAg 1.2 Disadvantages of IAg 2 Specifications

[edit] Description

It consists of a thin immersion silver plating over the copper traces.

[edit] Advantages of IAg

• Excellent surface planarity (compared to e.g. HASL)
• Low High Frequency Signal loss due to skin effect

[edit] Disadvantages of IAg

• Rapid degradation of surface due to oxidation or contamination (with e.g. sulfur or chlorine)

[edit] Specifications

IPC Standard: IPC-4553