Double-Sided FPC Flexible Printed Circuit Board – Built on Polyimide with PI Stiffener and Immersion Gold for Capacitive Touch Screens
(Printed Circuit Boards are custom-made products, the picture and parameters shown are just for reference)
In the world of flexible electronics, the Double-Sided FPC Flexible Printed Circuit Board is a reliable and versatile solution designed for applications requiring flexibility, durability, and high performance. Built on polyimide (PI) with a thickness of 0.2mm, this 2-layer FPC features a polyimide stiffener and immersion gold surface finish, making it ideal for capacitive touch screens, industrial control systems, and consumer electronics.
Parameter and data sheet
| Size of Flexible PCB | 120.18 X 30.28mm |
| Number of Layers | 2 |
| Board Type | Flexible PCB |
| Board Thickness | 0.20mm |
| Board Material | Polyimide 25µm |
| Board Material Supplier | ITEQ |
| Tg Value of Board Material | 60℃ |
| PTH Cu thickness | ≥20 µm |
| Inner Iayer Cu thicknes | N/A |
| Surface Cu thickness | 35 µm |
| Coverlay Colour | Yellow |
| Number of Coverlay | 2 |
| Thickness of Coverlay | 25 µm |
| Stiffener Material | Polyimide |
| Stiffener Thickness | 0.2mm |
| Type of Silkscreen Ink | IJR-4000 MW300 |
| Supplier of Silkscreen | TAIYO |
| Color of Silkscreen | White |
| Number of Silkscreen | 1 |
| Peeling test of Coverlay | No peelable |
| Legend Adhesion | 3M 90℃ No peeling after Min. 3 times test |
| Surface Finish | Immersion Gold |
| Thickness of Nickle/Gold | Au: 0.03µm(Min.); Ni 2-4µm |
| RoHS Required | Yes |
| Famability | 94-V0 |
| Thermal Shock Test | Pass, -25℃±125℃, 1000 cycles. |
| Thermal Stress | Pass, 300±5℃,10 seconds, 3 cycles. No delamination, no blistering. |
| Function | 100% Pass electrical test |
| Workmanship | Compliance with IPC-A-600H & IPC-6013C Class 2 |
.jpg)
Key Features of Double-Sided FPC
1.Excellent Flexibility: The FPC can be bent, folded, and wound, making it ideal for applications where space and flexibility are critical.
2.Reduced Volume and Weight: By using FPC, the overall volume and weight of electronic products can be significantly reduced, enabling the development of smaller and lighter devices.
3.Increased Reliability: The polyimide stiffener provides additional structural support, enhancing the durability and reliability of the circuit.
4.Low Cost: The FPC offers a cost-effective solution for both prototype and production orders, making it an economical choice for various applications.
5.Immersion Gold Surface Finish: The immersion gold finish on the pads ensures excellent conductivity, corrosion resistance, and solderability.
6.Global Shipping: We offer DDU (Delivered Duty Unpaid) door-to-door shipment with competitive shipping costs.
Applications
The Double-Sided FPC is well-suited for a variety of applications, including:
Capacitive Touch Screens/Panels: Ideal for touch-sensitive interfaces in consumer and industrial devices.
Industrial Control Intercoms: Ensures reliable performance in communication systems.
Consumer Electrostatic Bracelets: Perfect for flexible and durable designs in wearable devices.
Why Choose Double-Sided FPC?
Versatility: The FPC can be used in a wide range of applications, from consumer electronics to industrial control systems.
Structural Support: The polyimide stiffener provides additional rigidity where needed, ensuring the FPC can withstand mechanical stress.
Cost-Effective: The FPC offers a low-cost alternative to traditional rigid PCBs, making it an economical choice for both prototype and production orders.
High Reliability: Manufactured to IPC 6012 Class 2 standards, the FPC ensures high quality and reliability.
Global Availability: Ready to ship worldwide, ensuring timely delivery for your projects.
.jpg)
Components of a Flexible Circuit
A flexible circuit typically consists of:
Copper Foil: Available in two types—ED (Electro-Deposited) and RA (Rolled Annealed)—with thicknesses ranging from 12μm to 70μm.
Dielectric Substrate: Polyimide films are commonly used due to their high temperature resistance, excellent electrical properties, and chemical resistance.
Adhesive: Thermoplastic or thermoset adhesives are used to bond the copper foil to the polyimide film, ensuring flexibility and durability.
Conclusion
The Double-Sided FPC Flexible Printed Circuit Board is a high-performance, cost-effective solution designed for applications requiring both flexibility and reliability. With its excellent flexibility, increased durability, and low cost, it is an ideal choice for engineers working on capacitive touch screens, industrial control systems, and consumer electronics.
Whether you're designing for compact electronic devices or specialized industrial applications, the Double-Sided FPC offers the reliability and performance you need to bring your projects to life.
.jpg)