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Flexible Printed Circuit Boards
High-quality flexible and rigid-flex PCBs for dynamic applications
Get Instant QuoteQuality Standards & Certifications
Our commitment to excellence through international quality standards
IPC-6013
Flexible/Rigid-Flex Performance Spec
IPC-2223
Sectional Design Standard
ISO 9001
Quality Management System
RoHS
Restriction of Hazardous Substances
UL 94
Flammability Rating
ISO 14001
Environmental Management
Flex PCB Types
Choose the right flexible PCB technology for your application
Single Layer Flexible PCB
Basic flexible circuit with one conductive layer, ideal for simple bending applications.
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Most cost-effective flex option
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Excellent flexibility
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Simple design & production
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Lightweight construction
Double Layer Flexible PCB
Two conductive layers with via connections, providing increased circuit density.
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Higher circuit density
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Better signal routing
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Improved reliability
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Via interconnections
Multilayer Flexible PCB
3+ layer flexible circuits for complex applications requiring high density and functionality.
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High-density interconnections
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Enhanced EMI shielding
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Power and ground planes
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Complex circuit capability
Rigid-Flex PCB
Hybrid construction combining rigid and flexible substrates in a single integrated unit.
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3D packaging capability
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Reduced connector count
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Improved reliability
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Space and weight saving
Flex PCB Materials
Choose from various flexible substrate materials for optimal performance
Polyimide
Standard flexible material with excellent thermal stability and flexibility.
- Temp Range: -65°C to 260°C
- Dielectric Constant: 3.4-3.5
- Applications: Standard flex circuits
Polyester (PET)
Cost-effective flexible material for consumer electronics and disposable devices.
- Temp Range: -40°C to 105°C
- Dielectric Constant: 3.3
- Applications: Consumer electronics
Polyethylene Naphthalate
Enhanced polyester with better thermal and mechanical properties than PET.
- Temp Range: -50°C to 155°C
- Dielectric Constant: 3.2
- Applications: Automotive, Industrial
Liquid Crystal Polymer
High-performance material for microwave and high-frequency applications.
- Temp Range: -200°C to 240°C
- Dielectric Constant: 2.9-3.2
- Applications: RF, Microwave
Manufacturing Process
Specialized manufacturing process for flexible PCB production
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Material Preparation
Precision cutting of flexible laminates with accurate thickness control for specific applications.
02
Flex-Specific Drilling
Specialized drilling techniques for flexible materials to create precise micro-vias and holes.
03
Circuit Pattern Transfer
Photoimaging and etching process optimized for flexible substrates with fine line capabilities.
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Coverlay Application
Application of flexible solder mask (coverlay) for protection and insulation of circuits.
Technical Specifications
Our manufacturing capabilities for flexible PCB production
1-10
Flex Layers
Single to multilayer flexible circuits
0.075mm
Min Line/Space
Minimum trace width and spacing
0.1mm
Min Hole Size
Minimum drill size for flex materials
±0.1mm
Bend Radius
Minimum dynamic bend radius
0.05-0.3mm
Base Thickness
Available flex substrate thickness
1oz-2oz
Copper Weight
Rolled annealed copper thickness
Flexible PCB Products
Professional flexible PCB manufacturing for various applications
4-Layer Flexible PCB
This article introduces Topfast’s 4-layer flexible PCBs, highlighting their high-density routing, dynamic bendability, impedance control,…
Single-Sided Flexible PCB
This article introduces Topfast’s professional single-sided flexible PCB products, highlighting their advantages, technical specifications, applications,…
Multilayer Flexible PCB
Multilayer Flexible Printed Circuit Boards (Multilayer FPCs) are high-performance interconnect components composed of alternating layers…
Double-Sided Flexible PCB
Double-Sided Flexible PCBs, known for their lightweight, bendable properties, and dual-layer routing capabilities, have become…
FAQ
What certifications do PCB factories have?
All of our products are IPC rated with ISO 14001; ISO 9001; CE; ROHS certificates, etc. Our products are widely used in communication, medical equipment, industrial control, power supply, consumer electronics and aerospace, automotive industry and other fields.
What types of flexible PCBs do you offer?
Topfast always adheres to the service concept of customer first and quality first, and provides diversified customized services, which can produce single-sided boards, double-sided boards, multilayer boards and so on.
What are the advantages of your flexible boards over other manufacturers?
The company has world-class production equipment (laser drilling machine, VCP through-hole filling line, blind hole AOI testing equipment, ceramic grinding line, vertical vacuum resin blocking machine, etc.), first-class technical team, mature product line, perfect service flow, to provide one-stop PCB services from design, sampling to mass production and assembly.
What is the lead time for PCB boards?
We can deliver double-sided samples in 24 hours at the earliest, but we need to evaluate the delivery time according to the design file and the quantity.
What are the main applications of flexible circuit boards?
The products are widely used in communication (cell phones, computers, etc.), medical equipment (blood analyzers, hearing aids, etc.), industrial control, power supply, consumer electronics and aerospace, automotive industry and other fields.
What materials are used in flexible PCBs?
Flexible PCBs typically use copper as the conductive layer and polyimide as the insulating material. In addition, adhesives and reinforcing ribs are used to bond and support the layers.
What is the typical thickness of a flexible PCB?
The typical thickness range for a 2-layer flexible PCB is 0.11 mm to 0.2 mm.
Can flexible PCBs be customized for specific applications?
Yes, flexible PCBs can be fully customized in terms of size, shape, layer count, and materials to meet the specific requirements of your application.
Can flexible PCBs withstand high temperatures?
Flexible PCBs are designed to withstand a wide range of temperatures, making them suitable for automotive, aerospace, and industrial applications where thermal management is critical.
Latest News
Technical articles and industry knowledge about flexible PCB manufacturing
How PCB Material and Layer Choices Impact Manufacturing Cost
The selection of PCB materials and layer stackup is a core factor affecting manufacturing costs.…
Read Article →
Complete Guide to PCB Design for Manufacturability (DFM)
This comprehensive guide covers essential PCB DFM principles including layout specifications, component spacing requirements, and…
Read Article →Start Your Flex PCB Project Today
Get instant quote with free DFM review or consult with our engineering team
Free Flex Design Review
1-Hour Quotation
No Hidden Costs