日本語
Have you ever noticed the shiny, golden connectors on the edge of a computer's RAM stick? Those are gold fingers, crucial for reliable connections.
What Are Gold Fingers?
Gold fingers are the gold-plated copper pads at the edge of a printed circuit board (PCB). They are designed for parts that are frequently plugged into and unplugged from a slot, like memory cards or graphics cards. Their main purpose is to provide a durable and reliable connection for data transfer.
Why Gold?
Gold is used for its unique properties:
Excellent Conductivity: It ensures minimal signal loss, which is vital for high-speed data.
Corrosion Resistance: Unlike other metals, gold doesn't oxidize, keeping the connection clean and reliable over time.
Durability: The gold plating is very hard, preventing wear from repeated use.
The Manufacturing Process
Creating gold fingers involves a precise multi-step process: First, a copper base is laid down, then a nickel barrier is added to prevent diffusion, and finally, a uniform layer of hard gold is electroplated on top.
At PCBgogo, we specialize in manufacturing high-quality gold fingers, ensuring your devices connect perfectly every time.
