The Advantages of Immersion Gold PCB Boards Over Gold-Plated PCB Boards
- Immersion gold PCB boards have a thicker crystal structure compared to gold-plated boards, resulting in a more visually appealing golden yellow appearance.
- Immersion gold allows for easier welding, reducing the risk of poor connections and customer complaints. It is also more suitable for products requiring bonding processes due to its manageable stress levels.
- Signal transmission in immersion gold boards remains within the copper layer, thanks to nickel-gold only on the pad, preserving signal integrity.
- Immersion gold has a denser crystal structure and is more resistant to oxidation than gold plating.
- Gold plating in densely packed wiring may lead to short circuits, while immersion gold boards prevent such occurrences with nickel-gold only on the pad.
- The combination of solder mask and copper layer on immersion gold boards is stronger, ensuring uncompromised spacing.
- Immersion gold is ideal for high-quality boards with superior flatness, reducing the likelihood of the black pad phenomenon and offering comparable shelf life to gold-plated boards.
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