Strength Where It Counts

Rigid PCB

Rigid PCBs are the most widely used type of circuit board, known for their firm, inflexible structure that supports and connects electronic components. Made from solid materials like fiberglass-reinforced epoxy (FR4), these boards maintain their shape, providing a stable foundation for circuits in a wide range of electronic devices. Their mechanical strength, durability, and cost-effectiveness make them ideal for mass production and long-term use.

With good electrical performance, heat resistance, and compatibility with automated assembly processes, rigid PCBs are used in everything from consumer electronics and industrial equipment to automotive systems and medical devices. Although they lack the flexibility of newer technologies, their structural integrity and reliability continue to make them a key element in modern electronic packaging solutions.

Reliable Boards for Reliable Devices.

What is Rigid PCB?

A rigid PCB (Printed Circuit Board) is a solid, inflexible board used to mechanically support and electrically connect electronic components. Made from sturdy materials like fiberglass (FR4), it maintains a fixed shape, offering durability, structural stability, and reliable performance. Rigid PCBs are commonly used in computers, televisions, industrial machines, and other devices where the circuit layout does not require bending or movement.

Rigid PCB

Number of manufacturing layers: 1-48 layers

Number of SMT lines: 8 high-speed SMT mating lines

SMT daily production capacity: More than 50 million points

Inspection equipment: X-RAY tester, first piece tester, AOI automatic optical tester, ICT tester, BGA rework station

Mounting speed: CHIP component mounting speed (optimal conditions) 0.036S/chip

Minimum package: 0201, accuracy up to +0.04mm

Minimum device accuracy: PLCC, QFP, BGA, CSP and other devices can be pasted, pin spacing up to +0.04mm

Why choose LST

Experienced Manufacturing

18 years of pcb manufacturing experience Authoritative manufacturing team

Short delivery time

Adoption of advanced technology and manufacturing equipment Perfect production system Fast turnaround

Good quality control

Mature ISO9001/IATF16949 quality management system. Perfect ERP and MaS order management system.

Affordable price

Professional cost control engineers Cooperation with many raw material companies.

Professional engineering

Free DFM inspection of PCB files and BOMs. PCB engineering evaluation and advice.

Wide range of services

Specialized in medical, automotive, consumer electronics, new energy pcb. Serving global enterprises

The introduction and advantage of rigid PCB

What is rigid pcb

Rigid PCBs, are circuit boards made from rigid substrates. This type of circuit board has good mechanical strength, stable electrical properties, good heat and moisture resistance, and is widely used in various electronic products, such as computers, communication equipment, household appliances and so on. The substrate of rigid PCB is usually a rigid material such as FR-4.

What are the advantages of rigid pcb:

1. Good stability: rigid PCB is made of rigid substrate, has a high degree of rigidity and stability, not easy to bend or bend. This stability is conducive to ensuring the performance and life of electronic equipment.

2. High mechanical strength: Due to the use of rigid materials, rigid PCB has high mechanical strength and can withstand large mechanical stress. This makes it suitable for environments that need to withstand mechanical stress, such as automotive and aerospace.

3. Suitable for complex assembly: Rigid PCB is suitable for electronic devices that require a more complex assembly process and more components, providing stable mechanical support and the ability to fix electronic components.

4. Good thermal stability: Rigid PCB has better stability in high temperature environments and can withstand high temperature processes and high power applications.

5. Lower manufacturing costs: Compared to flexible PCBs, rigid PCBs usually have lower manufacturing costs and are suitable for high-volume production.

Application of Rigid PCB

Automotive

Aviation

Computer field

Appliance

Our Manufacturing Capabilities

Item Process Capability
Layer Counts 1-48L
Material FR-4, Kingboard, Nanya, Shengyi, Rogers, Isola, ITEQ, Ventec, Arlon
Maximum Size 600mm x 1500mm
Board Outline Tolerance ± 0.10mm
Board Thickness 0.2-8mm to 0.1mm-8mm
Thickness Tolerance(t≥0.8mm) ± 8%
Thickness Tolerance(t<0.8mm) ± 10%
Insulation Layer Thickness 0.075mm-5.00mm
Minimum Line 0.05mm
Minimum Space 0.05mm
Out Layer Copper Thickness 18um-350mm
Inner Layer Copper Thickness 17um-210mm
Drilling Hole(Mechanical) 0.15mm-6.35mm
Finish Hole(Mechanical) 0.10mm-6.30mm
Diameter Tolerance(Mechanical) 0.05mm
Registration(Mechanical) 0.075mm
Aspect Ratio 16:01
Solder Mask Type LPI
SMT Mini. Solder Mask Width 0.075mm
Mini. Solder Mask Clearance 0.05mm

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Rigid PCB Supplier of Reliable Electronics.

Shenzhen Leadsintec Group is one of the leading rigid PCB suppliers, offering a range of high-quality printed circuit boards used in various industrial sectors. We are a reputable Rigid PCB supplier, producing high-quality, long-lasting circuit boards that serve as the lifeline of electronic systems worldwide.

Rigid PCBs provide excellent mechanical stiffness and reliable electrical connections for components in millions of applications. The fiberglass substrates of these boards keep their shape under stress, making them popular in desktop computers, home appliances, industrial equipment, and automobile electronics, where structural stability is vital for long-term performance.

What is a Rigid PCB?

The rigid PCB is the printed circuit board that has no flex or bend. It is composed of hard and well-built materials, such as FR-4, high-temperature epoxy, or metal core laminates. Such PCBs are extensively used in products with rigid structures, stagnant operation, and long life. Rigid PCBs are used in computers, control systems, power supplies, and other high-performance devices.

Advantages of Rigid Boards

Rigid boards are also cheaper to produce in large quantities due to a standard design, resulting in lower manufacturing costs.

Thermal management is best suited for use with rigid materials that dissipate heat from high-value components. The solid base supports both small surface-mount and significant through-hole components, allowing for high component density.

Manufacturing Capabilities and Materials

  • Our Best Rigid PCB Manufacturer plant works with materials ranging from 0.4mm to 3.2mm thick, tailored to meet the specific needs of each application.

  • Copper weights vary from as low as 0.5 oz to as much as 4 oz, serving the needs of low-power digital design up to high-current power electronics.

  • Different soldering and environmental requirements are available in surface finishes, including HASL and ENIG, as well as immersion silver.

  • The number of layers ranges from single-sided to 16 layers and controlled impedance to match high-speed signals.

  • Complex interconnections can be done with track-through holes, blind holes, and buried holes.

Flexible Order and Delivery

Quick-turn prototyping offers sample boards in 3-5 days, providing a solution for urgent development project needs. Volume production capabilities can handle orders ranging from hundreds to millions of units at the same price rate. Just-in-time delivery saves costs on inventory by arranging shipments according to your production plans. 

Testing and Quality Guarantee

The optical inspection identifies defects, while electrical testing confirms connectivity and performance before the product is shipped. Thermal stress testing evaluates board reliability during temperature cycling, and mechanical testing checks structural integrity.

Such compliance with the IPC standards ensures quality consistency and adherence to international standards. Certificate of compliance documentation is fully traceable and critical, with applications that require high-quality records.

 

As your preferred Rigid PCB Supplier, we offer high-quality circuit boards that provide a solid foundation for your electronic products, ensuring their durability in harsh environments.