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Comprehensive Guide to Rigid-Flex PCBs: Structure, Advantages, Applications, and Manufacturing
As a professional rigid-flex PCB manufacturer, we provide high-quality rigid-flex PCB manufacturing services, dedicated to meeting our customers' various needs and requirements.

Rigid-Flex PCB Manufacturing Services

A rigid PCB is a go-to for product designers due to its minimal cost, optimal performance, easy repair, and various other features. But it is made of a hard substrate or core, which is why it cannot bend according to the shape of the product.

On the other hand, a flexible PCB can bend easily and take the shape of the product. It can be adjusted in small and confined spaces, but these special features come at a hefty cost. Secondly, these PCBs have a limited size, limited functionality, and other constraints and disadvantages.

Thus, there is a dire need for a PCB that can offer the advantages of both flexible PCBs and rigid PCBs at a reasonable cost. That is where the Rigid-Flex PCBs come into play.

Note: The flexible and rigid part can be soldered, or there can be a connecting male and female plug.

The components are mostly placed on the rigid part, which can have more component density and can easily bear the weight. Secondly, it is also cost-effective. The flexible part does not have components in most cases, and they are used for interconnection only.

As a rigid-flex PCB manufacturer, we offer both prototyping and mass-production services to meet our customers’ diverse needs.
What is Rigid-Flex PCB?
A Rigid Flex PCB comes in the middle of a Rigid PCB and a Flexible PCB. We can call it a hybrid PCB because it is a mixture or combination of both types of PCBs to get the best results at the lowest cost.

Certain parts of the Rigid-Flex PCBs are made of rigid PCBs, while the remaining contain flexible PCBs. The combination is tweaked according to the needs of the product to offer more flexibility in the design. These PCBs can be used in confined spaces with bends and corners.

Usually, flexible PCBs are used to connect one or more rigid PCBs in a Rigid-Flex circuit. They serve as a bendable connection and can easily be placed in any place or product where the space is limited or confined. Due to the flexibility of the flexible part, the PCB is able to acquire intricate shapes, and the connections become more reliable and long-lasting.

The rigid part of the PCB is usually made of FR4; however, it can be customized according to the needs of the customers. The core can be of aluminum, copper, etc. It is just like a common rigid PCB you see in devices. All the components of the PCB are placed on the rigid part because it can bear the weight and does not bend.

The flexible part is made of flexible material, such as polyimide. It contains a conducting circuit that is made of copper, just like a normal PCB. It connects one rigid board to another through the conducting layer and ensures optimal conductivity of the current.

Rigid-Flex PCB Maerials
What Materials are Used in Rigid Flex PCBs?

Rigid Flex PCBs can be used in almost any type of product or device. These can be adjusted according to the shape and requirement.


Complex designs and structures can also be implanted as these are the best of both worlds, i.e., Rigid and Flex.


No need to use connectors or wires. The Flexible parts work exceptionally well as connectors. The size and the weight of the whole circuit are also reduced.


Offers optimal reliability as the flexible circuits are made to bend and bear pressure, and there are fewer external joints and components.

Rigid-Flex PCB Advantages
Benefits of Rigid Flex PCBs

Rigid Flex PCBs are used for a wide range of purposes, and you will have yourself surrounded by products that contain such kinds of PCBs. For instance, the computer, laptop, or mobile phone you are using also contains rigid-flex PCBs.

These PCBs are used in military applications, aerospace, automobiles, cameras, smart devices, and tons of other places where normal rigid PCBs cannot work, or a compact design is a priority. These PCBs help in making the final product smaller, more reliable, and more efficient.

Where are Rigid Flex PCBs Used?
Rigid-Flex PCB Applications
At YIZHUOPCB, we specialize in making simple to complex rigid flex PCBs with utmost accuracy and performance. We can create custom Rigid Flex PCBs according to the requirements of the buyer and offer reasonable prices along with exceptional service and quality. We offer PCB manufacturing and prototype services for almost any kind of PCB, from low to high-volume orders.
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