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Rigid PCB
Your High-Quality Rigid PCB Manufacturer in China
- Rigid PCB provides solid performance and prevents board distortion.
- Meet your requirements for up to 40 layers of precision and complexity.
- We stock many types of substrates to meet the performance requirements of your project.
- Supports 24-hour rapid prototyping to help you speed up the project process
- Fast delivery and support for expedited orders
Are you creating a new electronic device? You are most likely looking for a printed circuit board. Choosing the appropriate partner to manufacture your rigid PCB is a major decision. You would prefer someone who makes good quality Rigid PCB. We are experts in manufacturing reliable Rigid PCBs in any project. Allow us to be your manufacturer of choice on your next big project.
What is Rigid PCB?
A rigid PCB is an electronic board built on a rigid, non-flexible substrate that does not enable it to twist or warp. Because it maintains its form permanently, a rigid PCB provides the stable and firm base needed in millions of devices. The most familiar example is a computer motherboard, which firmly holds the CPU, memory, and graphics card and routes power throughout the system.
Your rigid PCB has multiple important layers. It begins with the rigid substrate, usually FR-4, which gives the board strength and rigidity. We affix a conductive copper layer to the base and etch your circuit traces. Copper is covered with a protective solder mask to avoid short circuits. These boards can be plain single-layer types or complex multi-layer constructions, allowing you to make anything from a basic device to a complex industrial controller.
Characteristics of Rigid PCB
Rigid PCBs contain several advantages that make them the most widely used in electronic devices. The following is what characterizes them:
- Unyielding Strength: It employs a stiff substrate, normally FR-4, that is strong and rigid. This makes this board resistant to bending, twisting, or warping when stressed.
- Permanent Shape: When we manufacture your rigid circuit board, the shape is fixed. It can neither be folded nor altered to accommodate a different form factor.
- Excellent Component Support: The board’s rigid nature provides a solid foundation for all electronic components. Connections are secure and reliable throughout the product’s life.
- Cost-Effective: Rigid PCBs are less expensive to create than their flexible counterparts, which explains why they are the default solution used in a wide variety of applications, including consumer electronics and industrial equipment.
How Are Rigid PCB Boards Manufactured?
We manufacture your rigid PCB board in several layers. We then laminate them all at once with adhesive and heat to form a single board. Understanding these layers provides a concept of how your design is transformed into a working circuit.
Substrate Layer
This is the base of your board. We use a tough base material, often FR-4 fiberglass, to give your rigid PCB strength and rigidity. Your board will be reliable as FR-4 provides the best durability and heat resistance ratio, even though other materials, like phenolics, are also available.
Copper Layer
Next, we affix a thin copper foil on the substrate. This is the conductive layer where we etch your circuit paths. Your board can be single-sided copper (basic designs) or double-sided copper (complex electronics). This copper’s thickness will determine the current amount that your traces will carry.
Solder Mask Layer
We apply the solder mask layer on top of the copper traces. That is usually the green coating you find on most circuit boards. Its main purpose is to protect the copper trace paths, prevent accidental solder bridges or short circuits during assembly, and protect your finished product.
Silkscreen Layer
The last layer is silkscreen. This layer is printed on the solder mask to add text, numbers, and symbols to your board. The legend enables you to quickly identify components, test points, and logos, making it easier to assemble and debug your board.
What are the Benefits of Rigid PCBs?
Selecting Rigid PCB for your project has tremendous benefits. They are made of a strong, rigid material that gives your electronics a firm and reliable surface. This makes them a trustworthy and affordable option for thousands of applications you encounter and utilize daily.
Higher Functionality
Your rigid PCB board can be designed with many layers. This enables you to fit more elements and connections in a compact area. Therefore, you can produce more complex and powerful circuits. This provides you with increased product design flexibility. This means higher functionality is attainable.
Manufacturing Efficiency
Rigid PCB technology, being one of the earliest technologies, is well-established. That indicates that our manufacturing processes are very efficient, automated, and standardized. To you, that adds to the quality you can count on, faster production time, and cost reduction. It is a process that has been tested and proven.
High Reliability
The most considerable advantage of a rigid PCB is its reliability. Because the board does not bend, it safeguards your circuits against vibration and physical stress. This structural strength ensures that your bond remains firm and solid over a long time. This is why rigid PCBs are used in most electronic applications.
What are the Applications of Rigid PCBs?
Due to their reliability and strength, you can see rigid PCBs everywhere. They form the basis of an enormous collection of electronic devices. The rigid PCB list of applications ranges from ordinary consumer electronics to essential industrial machinery. Here are some samples of where these rigid PCB boards are used:
- Computers and Storage: The computer motherboard is a typical example of an advanced rigid PCB board. They are also in graphics cards, RAM, and solid-state disks (SSDs).
- Consumer Electronics: Look inside your mobile phone, TV, or gaming console. The main logic board is a tightly packed, multi-layered rigid PCB.
- Automotive Systems: Rigid PCBs apply to all aspects of cars, such as engine control unit (ECU) and safety systems, dashboard gauges, and infotainment center.
- Medical Equipment: Rigid PCBs are used in medical equipment where failure is not an option, such as patient monitors, CT scanners, and diagnostic equipment.
- Industrial Controls: In factories, durable, rigid PCBs operate control systems, power supplies, robotics, and measuring instruments that must function in harsh environments.
Different Types of Rigid PCB Provided by PCBTok
At PCBTok, we aim to provide you with the highest-quality rigid PCBs at the most reasonable prices. We offer all kinds of solutions to match the degree and nature of your project. Using a solid substrate material like FR-4, we ensure that every board we construct is solid, reliable, and made according to your requirements.
Single-Sided PCB
It is the simplest type of PCB, and all of your conductive copper traces are on one side of the board. Due to their minimalistic design, they are ideal for less intricate devices. We can produce them quickly and economically, so they are well-suited for high-volume production.
Double-Sided PCB
Since these are the industry standard, they have conductive copper layers on both the top and bottom. This enables more complex and dense circuits than a single-sided board can support. They are versatile and usable for many applications, from power supplies to industrial controls.
Multilayer PCB
For the very top-of-the-line designs, you require a multilayer PCB. We produce them by laminating several layers of circuits on top of each other to allow very dense and complex layouts. As your rigid PCB manufacturer, we can produce up to 40-layer boards, allowing you to create very complex and durable electronics.
Our Rigid PCB Manufacturing Capabilities
The following table describes our standard and advanced capabilities. We can meet a wide variety of technical specifications to bring your design to life.
| Capability | Standard | Advanced |
| Layer Count | 1 – 20 Layers | 22 – 40 Layers |
| Finished Board Thickness | 0.2mm – 3.2mm | 3.4mm – 10.0mm |
| Max. Board Size | 500mm x 600mm | 1100mm x 500mm |
| Copper Thickness | 0.5oz – 4oz | Up to 10oz |
| Min. Trace / Space | 3.5mil / 4.0mil | 3.0mil / 3.0mil |
| Min. Hole Size | 8 mil (Mechanical) | 4 mil (Laser) |
| Max. Aspect Ratio | 10:1 | 20:1 |
| Warp & Twist | ≤ 0.75% | ≤ 0.50% |
| Base Materials | FR-4, Shengyi, Rogers, Taconic, Arlon, Nelco, and more | FR-4, Shengyi, Rogers, Taconic, Arlon, Nelco, and more |
| Surface Finishes | HASL (Leaded & Lead-Free), ENIG, OSP, Immersion Silver/Tin, Hard Gold | HASL (Leaded & Lead-Free), ENIG, OSP, Immersion Silver/Tin, Hard Gold |
| Quality Standards | IPC Class 1, Class 2, and Class 3 | IPC Class 1, Class 2, and Class 3 |
Why Choose PCBTok as Your Rigid PCB Partner?
When you need a reliable rigid PCB manufacturing partner, you need one that is capable and experienced. PCBTok will be your one-stop shop for all your rigid PCB manufacturing requirements. Our manufacturing experience is over 20 years, and we follow IPC standards closely to deliver the quality you can trust, whether we are talking about rapid prototyping or mass-scale manufacturing.
We allow you to build exactly what you need with all our manufacturing capabilities:
- We design custom rigid PCBs up to 40 layers and offer the best features, such as blind / buried vias and back drilling.
- You choose your board thickness of 0.2mm to 10mm and copper weight of 1/3 oz to 10oz.
- Our advanced laser drilling and tight tolerances assure you that your boards will be highly dependable and perform flawlessly.
- Select from our wide range of finish options, including HASL, ENIG, OSP, and Immersion gold, to match your application requirements.
- No matter samples or batch customization are subject to strict AOI and flying probe test, E-test, etc. to strictly control the quality of each Rigid PCB.
Our partnership goes beyond just manufacturing. We have a relationship that goes way beyond manufacturing. Our trained engineers will provide a free DFM (Design for manufacturability) analysis when placing an order. This outstanding service enables you to identify and resolve possible production problems before they become costly problems. Ready to get started? Upload your Gerber file or contact our team today for a free quote.
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Are you ready to begin your next project? At PCBTok, we provide high-quality rigid PCB solutions designed according to your precise requirements. We construct boards ranging from standard multi-layer boards to complex high-frequency designs. Choose us to be your next rigid PCB manufacturer.
Frequently Asked Questions
We are a one-stop solution provider. This includes rigid PCB production and assembly, testing, and final housing, all with only one reliable partner.
To give you a quick and precise quote, we will require three things: your Gerber design file, the quantity you need, and your technical specs (such as material, board thickness, and copper weight).
We have no Minimum Order Quantity (MOQ). You may order a single prototype or massive production to suit your requirements.
Yes, you can ensure your design files are safe with us. We guarantee your intellectual property is secure, and we will not distribute your files or utilize them on behalf of another customer.
Some of the materials that we use in serving your needs are:
- FR-4: Most applications.
- High-Frequency Materials: Rogers, Taconic, and other low-loss high-speed signal substrates.
- High-Temperature Materials: Special substrates such as PTFE that resist very high temperatures.
We do a lot of testing to ensure quality, such as electrical testing to detect opens and shorts, Automated Optical Inspection (AOI) to detect manufacturing defects, and (where applicable) impedance testing of high-frequency boards.
The deciding variable is flexibility. The difference between a rigid PCB and a flex PCB is that a rigid PCB is stiff and cannot flex or bend, whereas a flex PCB is constructed of materials that enable it to fold and flex. This would make rigid boards the best choice in stable applications and flex boards the best choice in compact or moving electronics.
A rigid-flex PCB is the best of both worlds. It is a hybrid board with rigid areas interconnected with built-in flexible circuits without cables and connectors.
Rigid PCBs are not bendable, so they can’t be used in products that need bending. Nevertheless, they are the best fit in the vast majority of electronic applications due to their strength, reliability, and low prices.