Flexible Printed Circuit Boards (FPC) from China Suppliers and Factory - High Performance and Durability
Flexible PCB Applications
Rigid plates have added some limitations in product design as they cannot be installed in limited spaces. Circuit boards need to have vibration resistance in products that are often subjected to mechanical impact.
Flexible PCBs are more suitable for this situation as they can be bent and wrapped if needed. They can survive in harsh temperatures ranging from -200 to 400 degrees Celsius. Compared to traditional circuit boards, these functions make flexible circuit boards more reliable and durable.
Computers and accessories
Flexible PCBs are very powerful in terms of signal and atmospheric conditions. The hard drive in the computer contains a Flex PCB. Due to these PCBs providing high data transfer rates on physically small circuit boards. Other electronic devices, such as printers, calculators, and laptop LCDs, are usually designed with flexible PCBs for similar reasons.
Aircraft
The electronic systems of airplanes are often filled with cables and need to be lightweight. A typical Airbus contains nearly 100 kilometers of cable, while a helicopter contains approximately 12 kilometers of cable. There can be no compromise in terms of reliability and performance of aircraft systems. Flexible PCBs reduce weight and can significantly improve even under mechanical impact, making them an ideal choice for airplanes.
Medical Electronics
Medical electronic products require high precision and durability. Wearable devices are typically developed using Flexible PCBs, making them suitable for host use. They track physical health, implanting sensors on patient skin to monitor results on smartwatches or mobile phones. Flexible PCBs are also ideal for pacemakers or pill cameras exposed to extreme atmospheric conditions. Rigid PCBs are unfavorable here due to large volume and low performance during high-speed signal transmission. Recent research using organic materials provides even better quality for high-performance prosthetic components.
Mobile Phone
Flexible PCBs achieve synchronization of multiple components while minimizing space requirements in compact shells. Connecting wiring harnesses or rigid plates is disadvantageous due to limited size and shape. Additionally, mobile phones heat up, and traditional boards cannot withstand high temperatures. Flex PCBs add waterproof features and support the development of bendable mobile phones and digital books.
Automobile
As automotive products become increasingly compact, Flexible PCBs allow designers to produce lightweight products while maintaining efficiency in limited spaces. They are commonly used in engine management computers, airbag controllers, and other electronic components because they can tolerate the high temperatures to which cars are frequently exposed.
Industrial Applications
Flexible PCBs can withstand extreme weather conditions and perform well in harsh environments. RF devices typically use Flex PCB designs because the robust characteristics of these PCBs ensure that signal strength is not affected. In addition, industrial machines and distribution control systems also use Flex PCBs.
Sensor
Flex PCBs have revolutionized sensors, as modern sensors are manufactured on flexible PCBs, reducing their size. These sensors can be placed in limited and irregular spaces, suitable for design or more compact products.
Military Equipment
Most modern military equipment uses Flex PCBs, such as radar systems in military vehicles. The control system in military-grade equipment requires high signal and conductivity path robustness. Due to the fact that equipment must be used at extreme temperatures and withstand vibration and mechanical stress, Flex PCB is the most suitable choice.
Advantages of Ceramic PCB
| Feature | AREX´s technical specification |
| Number of layers | 1 – 6L |
| Technology highlights | Mainly polyimide materials, flex PCB’s are necessary when motion of the PCB is needed, when 3-D interconnections are necessary (i.e. replacing cables and connectors) or when these are both combined due to limited available space. |
| Materials | Polyimide, Polyester |
| Profile method | Laser cutting, punching, rout |
| Copper weights (finished) | 18μm – 70μm |
| Minimum track and gap | 0.075mm / 0.075mm |
| PCB thickness | 0.05mm – 0.80mm |
| Maximum dimensions | 450mm x 610mm |
| Surface finishes available | OSP, ENIG, Immersion tin, Electrolytic gold, Gold fingers |
| Minimum mechanical drill | 0.15mm |
| Minimum laser drill | 0.10mm standard, 0.075mm advanced |
Frequently Asked Questions
Q1: Why are Flexible PCBs preferred over rigid PCBs in compact designs?
Flexible PCBs can be bent, folded, and wrapped into highly confined or irregularly shaped spaces, overcoming the physical limitations of rigid plates. This makes them ideal for modern compact electronics.
Q2: What temperature range can Flexible PCBs withstand?
Flexible PCBs are highly durable and can survive in harsh environments with temperatures ranging from -200 to 400 degrees Celsius, making them suitable for aerospace, military, and industrial uses.
Q3: How do Flexible PCBs benefit the aerospace and military sectors?
They significantly reduce overall weight by replacing heavy cabling systems and offer outstanding resistance to mechanical impact, vibrations, and harsh environmental conditions.
Q4: Are Flexible PCBs suitable for medical implants and wearables?
Yes, their compact nature and durability make them perfect for implants like pacemakers and pill cameras, as well as wearable sensors that track health metrics directly from the skin.
Q5: What are the standard materials and finishes for AREX's Flex PCBs?
AREX's Flex PCBs primarily use Polyimide and Polyester materials. They are available with surface finishes including OSP, ENIG, Immersion tin, Electrolytic gold, and Gold fingers.