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A Basic Guide to Manufacturing PCB

2022-04-09

Manufacturing PCB process explained

What is the manufacturing PCB process?

The printed circuit board (PCB) manufacturing process is a complex procedure of creating various printed circuit boards. Various circuit boards have different manufacturing processes. Therefore, a suitable PCB prototype before investing significant capital is crucial in detecting design flaws while manufacturing PCB.

Manufacturing of different types of pcb

PCBs are classified into various types depending on manufacturing processes, design, application, and consumers' specifications. These types include,

  • Single-Sided PCBs

While manufacturing PCB of this type, a single conductive copper layer is placed above the substrate. Then the electrical components are placed on one side of the board, and the whole etched circuit is visible on the other. Single-sided PCBs are suitable for low-density design instruments such as calculators, FM radios, timing circuits, etc.

  • Double-Sided PCBs

In double-sided PCBs, a thin layer of conductive copper is applied to both the top and bottom sides of the board. The circuit board has holes that allow metal parts to be connected from one side to another through two mounting technologies; through-hole technology or surface mount technology. Their applications include amplifiers, cell phone systems, power monitoring, UPS system, etc.

  • Multi-Layer PCBs

Manufacturing PCB of a multi-layer type takes a sandwich design (more than two double-sided conductive layers). To ensure no air gaps exist in the final PCB, the layers are bonded/laminated together under high pressure and temperature. Multi-layer PCBs are used in computers, mobile phones, GPS trackers, and many more complex circuits and devices.

  • Rigid PCBs

Rigid PCBs are made of multiple solid layers, adhered together with adhesive and heat. The layers include a substrate, a copper, a solder mask, and a silkscreen layer. Depending on the needs, these circuit boards are either single-sided, double-sided, or multi-layered, rigid PCBs. But, once made, they cannot be modified. Rigid PCBs are used in GPS equipment, laptops, X-rays, heart monitors, temperature sensors, etc.

  • Flex PCBs

These are flexible PCBs. Manufacturing PCB with flexibility calls for the use of many printed circuits and components arranged on a flexible substrate. Flex PCBs are made using similar components as rigid PBCs. But are designed to flex to the desired form throughout the application. 

 Flex PCBs are applied in OLED fabrication, LCD fabrication, flex automotive industries, cameras, and other complex electronics products.

  • Rigid-Flex PCBs

A Rigid-Flex PCB is a hybrid circuit board of flexible and rigid circuit boards. The resultant boards can be continuously flexed and typically shaped during manufacturing. The flexible portion of the board is used for interconnections between rigid boards. Rigid-flex printed circuit boards are the much lighter due absence of bulky connectors and hence are an excellent option for a wide range of applications in aerospace and medical. 

Conclusion

While choosing a reliable partner in manufacturing PCB, Shenzhen Intention Intelligent S&T Co., Ltd in China is your go-to partner on this. Our R&D team follows the latest IPC standards and tolerances and PCB prototype to perfectly suit your next upcoming PCB design. We are one of China's most experienced custom PCB production service suppliers measuring our success by our client's success.

Reach out to us for fast and free quotations.

 

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