Uncovering the Secrets of Stamp Hole PCBs.
Stamp hole PCBs, also known as castellated holes or half-holes, are a common feature in modern printed circuit boards (PCBs). These holes are typically used for soldering components directly to the edge of the PCB, allowing for a more compact and streamlined design. But what are the secrets behind these stamp hole PCBs, and how do they work?
The concept behind stamp hole PCBs is actually quite simple. Instead of having a traditional through-hole that extends all the way through the PCB, stamp holes are only partially drilled, leaving a small ring of copper around the hole. This allows for components to be soldered directly to the edge of the PCB, creating a more stable and reliable connection.
To further enhance the reliability of stamp hole PCBs, manufacturers often use a process called ENIG (electroless nickel immersion gold) plating. This plating helps to protect the copper rings around the stamp holes from oxidation and corrosion, ensuring a long-lasting connection between the components and the PCB.
The benefits of stamp hole PCBs are numerous. Not only do they allow for a more compact and efficient design, but they also provide a more secure connection for components. This can be especially important in applications where vibration or movement is a concern, as the soldered connections are less likely to break or become loose.
In addition, stamp hole PCBs are often used in high-frequency applications, as the small size of the holes helps to reduce electromagnetic interference and signal loss. This makes them ideal for use in applications such as wireless communication devices or high-speed data transfer systems.
Overall, stamp hole PCBs are a versatile and reliable option for designers looking to create compact and efficient circuit boards. By understanding the secrets behind these unique holes and how they work, designers can take full advantage of the benefits they provide in a wide range of applications.
If you want to learn more, please visit our website SOM for Interactive Self-Service Terminal, Android linux Core Board, SOM Core Board.