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Double Layer Printed Circuit Board
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Polyimide Double Layer Printed Circuit Board 0.4mm Thickness Flexible Printed Circuit FPC

Polyimide Double Layer Printed Circuit Board 0.4mm Thickness Flexible Printed Circuit FPC

Brand Name: XSW PCB
Model Number: XSWPCB
MOQ: 1
Price: Negotiable
Payment Terms: Western Union
Supply Ability: 1 Million Square feet/per month
Detail Information
Place of Origin:
China
Certification:
UL ,IOS9000
Layer Count:
2-Layer
Material:
FR-4
Board Thickness:
0.4mm (Customizable)
Copper Thickness:
1/1 Oz
Surface Finish:
OSP
Supply Ability:
1 Million Square feet/per month
Highlight:

Polyimide Double Layer Printed Circuit Board

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Double Layer Printed Circuit Board 0.4mm

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Double Layer Flexible Printed Circuit FPC

Product Description

 

High Quality Polyimide Material Flexible PCB Double Layer Flex PCB FPC

 

This is a double‑layer flexible printed circuit (FPC) manufactured using high‑quality polyimide (PI) as the base material. It features excellent flexibility, bending resistance, high temperature resistance and stable electrical performance. The double‑layer structure provides stronger wiring capability and higher integration, making it ideal for compact, dynamic and space‑limited electronic applications such as connectors, displays, wearable devices, cameras and miniaturized modules.

 

Key Specifications
Layer Count 2-Layer
Material Polyimide (PI)
Board Thickness 0.4 mm (Customizable)
Copper Thickness 0.5/0.5 oz
Minimum Hole Size 0.1 mm
Minimum Line Width 0.1 mm
Minimum Line Spacing 0.1 mm
Solder Mask Color Red
Surface Finish   OSP

 

Product Description

High‑Grade Polyimide (PI) Substrate
Superior heat resistance, chemical resistance, insulation and mechanical stability for long‑term reliability.


Double Layer FPC Structure
Dual‑sided circuit design with through‑hole interconnection, higher wiring density and stronger functionality.


Excellent Flexibility & Bendability
Supports repeated bending, folding and torsion, ideal for 3D assembly and dynamic motion applications.


Lightweight & Ultra‑Thin
Thin, flexible and lightweight, greatly saving space and reducing overall device weight.
High Temperature Resistance


Stable performance under high‑temperature soldering and operating conditions.
High Precision & Good Signal Integrity


Fine line capability, low impedance loss, suitable for high‑resolution and high‑speed signal transmission.


Wide Application
Widely used in consumer electronics, wearables, automotive, medical, camera and display modules.

  • Design Specifications
Item Mass Production Capability Extreme Capability
Board Thickness Range 0.3~6.0mm 0.3~6.0mm
Exposure Alignment Accuracy ±0.015mm ±0.005mm
Minimum Annular Ring Single side ≥0.05mm Single side ≥0.05mm
Min Line Width/Space (1/3oz base copper) 0.05mm / 0.05mm 0.045mm / 0.045mm
Min Line Width/Space (1/2oz base copper) 0.05mm / 0.05mm 0.05mm / 0.05mm
Min Line Width/Space (1oz base copper) 0.075mm / 0.075mm 0.075mm / 0.075mm
Etching Tolerance (1/3oz base copper) ±0.005mm ±0.005mm
Etching Tolerance (1/2oz base copper) ±0.005mm ±0.005mm
Etching Tolerance (1oz base copper) ±0.0075mm ±0.0075mm
Gold Finger Total Pitch Tolerance <30mm: ±0.05mm
30~60mm: ±0.075mm
<30mm: ±0.03mm
30~60mm: ±0.05mm