2. This method involves creating a duplicate PCB layout on both the top and bottom layers of the board.
3. By doing so, manufacturers can increase the density of components on the board without having to resort to more complex and costly multilayer PCB designs.
4. The double-sided copy board method also allows for easier troubleshooting and testing of the PCB, as both sides can be easily accessed.
5. Additionally, this approach can help to minimize signal interference between components on the board, leading to improved overall performance.
6. Overall, the double-sided copy board method is a practical and cost-effective solution for optimizing PCB design and manufacturing processes.
Multilayer Board Copy Method:
In fact, the technique for duplicating a four-sided board involves copying two double-sided boards, and the sixth layer requires copying three double-sided boards. The challenge with multi-sided boards lies in the inability to see the internal wiring. How can one view the inner layers of a precision multi-sided board? Layering.
There are several methods of layering, such as potion corrosion and tool stripping, but these methods can lead to layer separation and data loss. From experience, sanding is found to be the most precise method.
After duplicating the top and bottom layers of the PCB, sandpaper is typically used to carefully polish the outer surface to reveal the inner layers. Regular sandpaper available at hardware stores can be used. The PCB is usually placed flat, and the sandpaper is pressed and rubbed evenly across the PCB (Alternatively, for very small boards, the sandpaper can be laid flat and the PCB can be pressed with a finger and rubbed against the sandpaper). It is important to ensure a flat surface to achieve even sanding.
The silk screen and green oil are usually wiped off, while the copper wire and copper skin may require multiple wipes. A Bluetooth board can generally be wiped clean in a few minutes, whereas a memory stick may take around ten minutes. Of course, the time required may vary based on individual energy levels.
Summary: Understanding the six methods mentioned above for PCB imitation, including double-sided and multi-sided board copying methods, is crucial for carrying out the duplication process correctly to obtain a replica of the original printed circuit board. Testing should be conducted to ensure that the prototype performs exactly like the original.
WellCircuits Limited is a manufacturer specializing in high-precision double-sided, multi-sided, impedance-controlled, blind buried vias, and thick copper circuit boards. Their product range includes HDI, thick copper, backplanes, rigid-flex, and buried capacitance boards, as well as Golden Finger boards, catering to a wide range of customer requirements.
