Polyester Kapton Flex PCB Board FPC Circuit Board Production Fab
Product Specifications
Attribute |
Value |
Product |
Flexible PCB |
Manufacturer |
China Flexible Circuit Manufacturers |
Material |
Kapton, Polyimide |
Cost |
Rigid Flex PCB Cost |
Maker |
JLCPCB |
Silkscreen Color |
White, Black, Yellow |
Double Sided FPC Circuit Board Semi Flex PCB Assembly
Product Details
Product Name: Double sided FPC board
Technical Specifications
- Application field: Multi layer FPC flexible board
- Material: FPC
- Number of layers: 2
- Plate thickness: 0.13mm
- Minimum aperture: 0.2
- Minimum line width/line spacing: 0.1mm
- Copper thickness: 1OZ
- Solder resistance: Yellow film with white letters
- Surface technology: ENIG
Flex PCB Manufacturing Challenges
The manufacturing process of flex PCBs presents unique challenges compared to rigid PCBs:
- Material Handling: Requires specialized equipment to prevent damage to delicate polyimide or polyester materials
- Dimensional Stability: Temperature and humidity changes can affect circuit pattern accuracy
- Circuit Patterning: Requires precise control of etching parameters for flexible substrates
- Plating and Drilling: Flexibility can cause deformation during drilling and plating processes
- Bending and Folding: Improper techniques can lead to cracks in circuitry
- Component Assembly: Design must accommodate movement and stress during flexing
- Testing and Inspection: Requires specialized procedures for flexible designs
Flex PCB Types
Single-Sided Flex PCB Circuits
Single conductor layer on flexible dielectric film, with component termination accessible from one side. Commonly used with protective coatings and in applications like transparent LED films for automotive lighting.
Double-Sided Flex PCB Circuits
Features two conductor layers, typically with plated through holes allowing component placement on both sides. Enables easy crossover connections and commonly used in applications like laptop mousepad connections.
Multilayer Flex PCB Circuits
Three or more conductor layers interconnected by plated through holes. May use discontinuous lamination in areas requiring maximum flexibility.
Rigid-Flex PCB Circuits
Hybrid construction combining rigid and flexible substrates laminated into a single structure. Different from stiffened flex circuits, rigid-flex is commonly multilayer and widely used in military and commercial applications like laptop computers.