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Double-Sided Rigid-Flex PCB
Process Parameter
With an ultra-thin total thickness (typically 0.5–1.2mm), Double-Sided Rigid-Flex PCB is lightweight and conformable, enabling seamless integration into curved, narrow, or moving assemblies. By replacing traditional rigid PCB + cable setups, it reduces overall system size and weight by 20–40%, simplifying cable management and packaging. This makes it perfect for wearable devices, handheld gadgets, and automotive infotainment systems where space is at a premium.
When to use Double Sided Rigid-Flex PCB
1. Required when circuit density and layout can not be routed on a single layer
2. Ground and power plane applications
3. Used for shielding applications
4. Dense surface mount assembly
5. Double-Sided Features
6. Component assembly available on both sides
7. Two conductive layers
8. Can be converted into a Sculptured Flex
| Item | Rigid-Flexible pcb |
| Max Layer | 36L |
| Inner Layer Min Trace/Space | 3/3mil |
| Out Layer Min Trace/Space | 3.5/4mil |
| Inner Layer Max Copper | 6oz |
| Out Layer Max Copper | 3oz |
| Min Mechanical Drilling | 0.15mm |
| Min Laser Drilling | 0.1mm |
| Aspect Ratio(Mechanical Drilling) | 12:01 |
| Aspect Ratio(Laser Drilling) | 1:01 |
| Press Fit Hole Ttolerance | ±0.05mm |
| PTH Tolerance | ±0.075mm |
| NPTH Tolerance | ±0.05mm |
| Countersink Tolerance | ±0.15mm |
| Board Thickness | ±0.1mm |
| Board Thickness Tolerance(＜1.0mm) | ±0.1mm |
| Board Thickness Tolerance(≥1.0mm) | ±10% |
| Impedance Tolerance | Single-Ended：±5Ω(≤50Ω)，±10%(＞50Ω) |
| Differential：±5Ω(≤50Ω)，±10%(＞50Ω) | |
| Min Board Size | 10*10mm |
| Max Board Size | 22.5*30inch |
| Contour Tolerance | ±0.1mm |
| Min BGA | 7mil |
| Min SMT | 7*10mil |
| Surface Treatment | ENIG,Gold Finger,Immersion Silver,Immersion Tin,HASL(LF),OSP,ENEPIG,Flash Gold;Hard gold plating |
| Solder Mask | Green Solder Mask/Black PI/Yellow PI |
| Min Solder Mask Clearance | 1.5mil |
| Min Solder Mask Dam | 3mil |
| Legend | White,Black,Red,Yellow |
| Min Legend Width/Height | 4/23mil |
| Strain Fillet Width | 1.5±0.5mm |
| Bow & Twist | 0.05% |
Areas of Application
Consumer Electronics
Aerospace
Telecommunications
Military Defense
Automotive Industry
Industrial Control
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One-stop PCB PCBA service
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Packaging & Transportation
Static electricity bag+EV pearl cotton
Anti-static bubble bags + carton slot
Carton slot + bubble foam
Anti-static kraft bubble bags
Shipping Way
For small packages, we advise to choose by express (such as DHL, UPS, FedEx, and EMS by door to door service!)is the quickest way.
For heavy packages, the best solution is by seafreight.
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