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Unlock the potential of Flexible PCBs with our comprehensive article on understanding and expanding Flexible PCB Capacity. Explore material innovations, assembly techniques, and collaborative efforts driving the industry forward. Stay informed on market trends and forecasts, ensuring you’re at the forefront of the dynamic world of flexible printed circuit boards and their ever-expanding capacity.

Flexible PCB Capability Table
Flex PCB Sort Item Normal capability Specific capability
Layers Flex PCB 1~10 1~12
Board Min.board thickness 0.08+/-0.03mm 0.05+/-0.03mm
Board Max.board size 485mm*1000mm 485mm*1500mm
Hole & Slot Min.Hole 0.15mm 0.05mm
Hole & Slot Min.Slot hole 0.6mm 0.5mm
Trace Min.Width/Space 0.05/0.05mm 0.025/0.025mm
Tolerance Trace W/S ±0.03mm(W/S≥0.3mm:±10%) ±0.02mm(W/S≥0.2mm:±10%)
Tolerance Hole to hole ±0.075mm ±0.05mm
Tolerance Hole Dimension ±0.075mm ±0.05mm
Tolerance Outline Dimension ±0.1mm ±0.05mm
Tolerance Layer Registration ±0.075mm ±0.05mm
Tolerance Silkscreen Offset ±0.2mm ±0.15mm
Tolerance LPI Offset ±0.05mm ±0.03mm
Tolerance Coverlay Offset ±0.3mm ±0.2mm
Tolerance Stiffener Offset (PI/FR4/SUS/AL etc.) ±0.3mm ±0.2mm
Tolerance Adhesive-tape Offset ±0.5mm ±0.3mm
Tolerance Impedance 0≤Value≤50Ω: ±5Ω 50Ω≤Value: ±10%Ω NaN
Surface finish OSP 0.1-0.3um NaN
Surface finish ENEPIG Ni:1.0-6.0um Ba:0.10um Au:0.10um NaN
Surface finish Plating hard gold Ni: 1.0-6.0um Au:0.02um-1um NaN
Surface finish Flash gold Ni:1.0-6.0um Au:0.02um-0.1um NaN
Surface finish ENIG Ni:1.0-6.0um Au:0.015um-0.10um NaN
Surface finish Immesion silver Ag:0.1-0.3um NaN
Surface finish Plating Tin Sn:5um-35um NaN
SMT Type 0.3mm pitch Connectors NaN
SMT NaN 0.4mm pitch BGA/QFP/QFN NaN
SMT NaN 0201 Component NaN
Material Basefilm Specification PI:3mil 2mil 1mil 0.8mil 0.5mil NaN
Material NaN ED&RA Cu:2OZ 1OZ 1/2OZ 1/3OZ 1/4OZ NaN
Material Basefilm Main supplier Shengyi/Taiflex/Dupont/Doosan/Thinflex NaN
Material Coverlay Specification PI:2mil 1mil 0.5mil NaN
Material LPI Color Green/Yellow/White/Black/Blue/Red NaN
Material PI Stiffener T:25um~250um NaN
Material FR4 Stiffener T:100um~2000um NaN
Material SUS Stiffener T:100um~400um NaN
Material AL Stiffener T:100um~1600um NaN
Material Adhesive-tape 3M/Tesa/Nitto NaN
Material EMI shielding Silver film/Copper/Silver ink NaN
Flexible PCB Capacity

Unlocking the Power of Flexible PCBs: Understanding and Expanding Capacity


Flexible Printed Circuit Boards (Flex PCBs) have revolutionized the electronics industry by offering a versatile alternative to traditional rigid boards. Their ability to bend and conform to complex shapes makes them invaluable in a wide range of applications, from wearable devices and medical implants to aerospace and automotive systems. As demand for flexible PCBs continues to soar, understanding and expanding their capacity becomes crucial for meeting the evolving needs of the electronics market.

Understanding Flexible PCBs

Flexible PCB Material Innovation

Flexible PCBs are typically made from materials like polyimide or polyester, providing the required flexibility. Advances in material science continuously expand the capabilities of these substrates, with the development of new materials enhancing flexibility, thermal performance, and reliability.

Miniaturization and Density

Flexible PCBs can accommodate complex and compact designs, making them ideal for smaller and more sophisticated electronic devices. The demand for flexible circuits with higher component density and miniaturization is met by manufacturers pushing the limits of technology to design circuits capable of handling more components while maintaining flexibility.

PCB Assembly Techniques

The assembly of flexible PCBs requires specialized techniques to ensure circuit integrity while allowing for flexibility. Innovations in assembly processes, such as roll-to-roll manufacturing and automated assembly, improve production efficiency and scalability, contributing to increased capacity and reduced production costs.

Flexible PCBs vs. Rigid PCBs

Design Flexibility

The most apparent distinction between flexible and rigid PCBs is design flexibility. Flexible PCBs can bend and twist, allowing for three-dimensional layouts, ideal for applications where space is a constraint. Rigid PCBs have a fixed shape, limiting their adaptability in certain environments.

Weight and Size

Flexible PCBs are generally lighter and thinner than their rigid counterparts, making them suitable for applications where weight and size are critical factors. This characteristic is particularly advantageous in industries such as aerospace and automotive, where reducing weight without compromising functionality is a priority.

Durability and Reliability

Flexible PCBs excel in applications where vibrations, shocks, or repeated flexing are common due to their ability to withstand mechanical stress. Rigid PCBs, while robust, may not perform as well in applications requiring repeated flexing.

Expanding Flexible PCB Capacity

Investment in Research and Development

To stay ahead in the dynamic electronics industry, companies are investing heavily in research and development. Funding innovative projects focused on materials, manufacturing processes, and design optimization enables the industry to overcome existing limitations and expand the capacity of both flexible and rigid PCBs.

Collaboration and Knowledge Sharing

Collaboration among industry players, research institutions, and technology experts is essential for driving innovation. Sharing knowledge and best practices accelerates the development of new technologies and standards, ultimately expanding the capacity of both flexible and rigid PCBs and ensuring their widespread adoption.

Market Trends and Forecast

Keeping an eye on market trends and forecasting future demands is critical for manufacturers. Understanding the evolving needs of industries such as IoT, healthcare, and automotive allows flexible and rigid PCB manufacturers to align their capacity expansion strategies with market demands, ensuring they are well-positioned to meet future requirements.

Adoption of Industry Standards

Establishing and adhering to industry standards is crucial for the widespread acceptance of both flexible and rigid PCBs. Standardization simplifies the design and manufacturing processes, making it easier for manufacturers to scale production and optimize capacity.


The future of PCBs holds exciting possibilities, driven by continuous innovation and a growing demand for more flexible and compact electronic devices. By understanding the factors influencing capacity and actively investing in research, development, and collaborative efforts, the electronics industry can unlock the full potential of both flexible and rigid PCBs, paving the way for a new era of versatile and high-performance electronic systems.