Rigid-Flex PCB

Rigid Flex PCB Fabrication for Compact & Reliable Electronic Designs

SprintPCB is a trusted flex rigid PCB manufacturer, combining rigid sections and flexible layers for dynamic, space-constrained applications.

High Reliability & Mechanical Stability

Our Rigid Flex Printed Circuit Board are engineered to withstand repeated bending, vibration, and harsh environments.
With precise lamination and alignment control, we deliver stable performance for mission-critical applications.

Applications

Medical devices
Wearable electronics
Aerospace modules
Such as Drone controller PCB, Fingerprint module PCB, Camera module PCB, Medical imaging PCB, Implantable electronics PCB

Rigid-Flex PCB Capabilities

Technology type	Process capability
Number of manufacturing layers	4–60 layer rigid-flex structures
Flexible materials	PI flexible layers
Rigid materials	Stiffeners (FR4, PI, SUS)
Bending performance	360 Range, Tight bending radius control
Other	Air-gap construction available

PCB Roadmap

Feature	Prototype production	Mass production	R&D
Layers count	1-40	1-20	60
Minimum board thickness (with solder mask)	0.3mm	0.6mm	0.20mm
Maximum board thickness	6mm	4mm	10mm
Maximum board size	546mm x 622mm	457mm x 610mm	1250mm x 570mm
Minimum line/space innerlayer (depends on copper weight)	2.5mil/2.5mil	3mil/3mil	2mil/2mil
Surface finish types	OSP, HASL, ENIG, Immersion Silver, Immersion Tin, Hard gold (Connector board), hard gold (Selective board), soft gold, ENEPIG	OSP, HASL, ENIG, Immersion Silver, Immersion Tin, Hard gold (Connector board), hard gold (Selective board), soft gold, ENEPIG	OSP, HASL, ENIG, Immersion Silver, Immersion Tin, Hard gold (Connector board), hard gold (Selective board), soft gold, ENEPIG
Mechanical hole size (Finish hole size)	0.15 mm	0.2 mm	0.1 mm
Maximum aspect ratio PTH	20:01	12:01	20
Finished tolerance PTH	+/-0.075 mm	+/-0.05 mm	+/-0.025 mm
Finished tolerance NPTH	+/-0.05 mm	+/-0.025 mm	+/-0.015 mm
Epoxy filled through holes (Y/N)	Y	Y	Y
Capped via (Heat dissipation) (Y/N)	Y	Y	Y

PCB Delivery Time

PCB Quantity (㎡)	2-10 Layer PCB Delivery Time	12-20 Layer PCB Delivery Time
＜1㎡	1 – 8 days	4 – 13 days
1 ㎡ – 5 ㎡	2 – 10 days	5 – 15 days
6 ㎡ – 20 ㎡	4 – 15 days	7 – 19 days
≥20㎡	7 – 18 days	10 – 23 days

Other PCB products

Providing you with one-stop PCB manufacturing and PCB assembly services

Reliable and stable products

Professional engineering support

Fast and on-time delivery

Full-process customer service

Our PCB manufacturing equipment

SprintPCB Group possesses the industry’s most advanced PCB manufacturing equipment, ensuring your PCB products are delivered to you with the highest quality on time and within the agreed delivery period.