Rigid PCB
LEADHUI PCB provides custom rigid PCB manufacturing for prototypes, engineering builds, low-volume production, and volume orders. Rigid PCBs are the most widely used type of printed circuit board and serve as the structural and electrical foundation of many industrial, automotive, communication, consumer, and medical electronic products.Thermal Conductivity Options: 1.0–3.0 W/m.KGet A Quote
Rigid PCB Types We Support
We manufacture four distinct types of aluminum-backed PCBs to match your specific thermal, layering, and spatial layout requirements.

Single-Sided Rigid PCB
Single-sided rigid PCBs are cost-effective and suitable for simpler electronic circuits, power boards, driver boards, and basic control products.
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Double-Sided Rigid PCB
Double-sided rigid PCBs allow routing on both sides and are widely used in industrial, consumer, and control electronics.
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Multilayer Rigid PCB
Multilayer rigid PCBs support higher component density, better routing flexibility, and more advanced signal and power structures.
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High Tg Rigid PCB
High Tg rigid PCBs are suitable for products requiring better heat resistance and improved thermal stability.
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What Is a Rigid PCB?
A rigid PCB is a printed circuit board made from solid, non-flexible substrate material, most commonly FR4. Unlike flex PCBs or rigid-flex boards, rigid PCBs maintain a fixed shape and provide stable mechanical support for electronic components.
Rigid PCBs are commonly used because they offer:
- Good structural strength
- Stable electrical performance
- Broad material and layer options
- Mature manufacturing processes
- Cost efficiency for many applications
- Compatibility with SMT and through-hole assembly
Rigid PCBs are the most common choice for control boards, driver boards, communication boards, industrial electronics, and general-purpose electronic products.

Why Choose Rigid PCB?
Rigid PCB Capabilities
From rapid prototyping to high-volume mass production, LEADHUI supports a wide range of custom specifications to match your exact project needs:
| Capability Item | Specification |
|---|---|
| Rigid PCB Type | Single-Sided Rigid PCB, Double-Sided Rigid PCB, Multilayer Rigid PCB, FR4 PCB, High Tg PCB, Custom Rigid PCB |
| Base Material | FR4, High Tg FR4, and other rigid substrate materials according to project requirements |
| Layer Count | Single-sided, double-sided, and multilayer rigid PCB structures available upon review |
| Board Thickness | Standard and custom board thickness options available according to design and application needs |
| Copper Thickness | Standard copper and heavier copper options available for current and thermal requirements |
| Surface Finish | HASL, Lead-Free HASL, ENIG, OSP and other finishes upon review |
| Solder Mask | Green, white, black, blue, red, yellow and other colors available according to project needs |
| Profile Processing | CNC Routing, V-Cut, Tab Routing, Slots, Cutouts, Custom Board Shapes |
| Testing | Electrical Test, Flying Probe Test, Final Quality Inspection |
| Assembly Compatibility | Suitable for SMT, through-hole, mixed assembly, and turnkey PCB assembly support |
Rigid PCB FAQ
What is the difference between rigid PCB and flex PCB?
Rigid PCBs use solid substrate material and maintain a fixed shape, while flex PCBs use flexible materials that allow bending and folding.
Where are rigid PCBs commonly used?
Rigid PCBs are commonly used in industrial control, communication equipment, consumer electronics, automotive electronics, power modules, and medical electronics.
Is FR4 the standard material for rigid PCB?
Yes. FR4 is the most common material for rigid PCBs because it offers good electrical performance, mechanical stability, and cost efficiency.
Can LEADHUI PCB support multilayer rigid PCB manufacturing?
Yes. Multilayer rigid PCB manufacturing can be supported according to stackup, material, copper thickness, and application requirements.
Can rigid PCBs be assembled by LEADHUI PCB?
Yes. LEADHUI PCB can support rigid PCB fabrication together with SMT assembly, through-hole assembly, mixed assembly, testing, and turnkey PCBA support.